Security Envelopes in Envelopes

Uses item details. Price when purchased online

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 1200 Count $102.89

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 1200 Count
Sponsored
current price $102.89
Options from $10.00

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 1200 Count

4.8 out of 5 Stars. 660 reviews
Free shipping, arrives Thu, Mar 12

Next Day Labels Double Window Envelopes, 8-5/8" x 3-5/8", White, 500 Count $49.99

Next Day Labels Double Window Envelopes, 8-5/8" x 3-5/8", White, 500 Count
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current price $49.99

Next Day Labels Double Window Envelopes, 8-5/8" x 3-5/8", White, 500 Count

4.5 out of 5 Stars. 23 reviews
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Free shipping, arrives Thu, Mar 12

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 2500 Count $114.89

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 2500 Count
Sponsored
current price $114.89
Options from $27.39

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 2500 Count

4.6 out of 5 Stars. 156 reviews
Free shipping, arrives Thu, Mar 12

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 250 Count $42.98

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 250 Count
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current price $42.98
Options from $20.98

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 250 Count

4.7 out of 5 Stars. 75 reviews
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Overall pick PEN + GEAR #10 Privacy Tint Peel and Stick Envelopes, White, 4.13 in x 9.5 in, 40 Count $3.32 8.3 ¢/ea

Overall pick
PEN + GEAR #10 Privacy Tint Peel and Stick Envelopes, White, 4.13 in x 9.5 in, 40 Count
Available in additional 2 options
current price $3.32
8.3 ¢/ea
Options from $3.32 – $13.28

PEN + GEAR #10 Privacy Tint Peel and Stick Envelopes, White, 4.13 in x 9.5 in, 40 Count

4.7 out of 5 Stars. 2902 reviews
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500+ bought since yesterday PEN + GEAR #10 Privacy Tint Gummed Envelopes, White, 4.13 in x 9.5 in, 40 Count $2.36 5.9 ¢/ea

500+ bought since yesterday
PEN + GEAR #10 Privacy Tint Gummed Envelopes, White, 4.13 in x 9.5 in, 40 Count
Available in additional 2 options
current price $2.36
5.9 ¢/ea
Options from $2.36 – $9.44

PEN + GEAR #10 Privacy Tint Gummed Envelopes, White, 4.13 in x 9.5 in, 40 Count

4.6 out of 5 Stars. 1769 reviews
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100+ bought since yesterday PEN + GEAR #6 Privacy Tint Gummed Envelopes, White, 3.63 in x 6.5 in, 100 Count $2.62 2.6 ¢/ea

100+ bought since yesterday
PEN + GEAR #6 Privacy Tint Gummed Envelopes, White, 3.63 in x 6.5 in, 100 Count
Available in additional 2 options
current price $2.62
2.6 ¢/ea
Options from $2.62 – $26.20

PEN + GEAR #6 Privacy Tint Gummed Envelopes, White, 3.63 in x 6.5 in, 100 Count

4.6 out of 5 Stars. 1015 reviews
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Best seller Mead #6 3/4 Security Envelopes, 3 5/8" x 6 1/2", White, 80 Count (75212) $6.18 7.7 ¢/ea

Best seller
Mead #6 3/4 Security Envelopes, 3 5/8" x 6 1/2", White, 80 Count (75212)
current price $6.18
7.7 ¢/ea

Mead #6 3/4 Security Envelopes, 3 5/8" x 6 1/2", White, 80 Count (75212)

4.4 out of 5 Stars. 210 reviews
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Shipping arrives Wed, Mar 11

100+ bought since yesterday PEN + GEAR #6 Privacy Tint Peel and Stick Envelopes, White, 3.63" x 6.5", 100 Count $4.56 4.6 ¢/ea

100+ bought since yesterday
PEN + GEAR #6 Privacy Tint Peel and Stick Envelopes, White, 3.63" x 6.5", 100 Count
Available in additional 2 options
current price $4.56
4.6 ¢/ea
Options from $4.56 – $22.80

PEN + GEAR #6 Privacy Tint Peel and Stick Envelopes, White, 3.63" x 6.5", 100 Count

4.6 out of 5 Stars. 997 reviews
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Best seller Mead 10 Security Envelopes 4 18 x 9 12 White 40 Count - Envelopes $4.19

Best seller
Mead 10 Security Envelopes 4 18 x 9 12 White 40 Count - Envelopes
current price $4.19

Mead 10 Security Envelopes 4 18 x 9 12 White 40 Count - Envelopes

4.4 out of 5 Stars. 159 reviews
Free shipping, arrives Thu, Mar 12
Only 1 left

Aimoh #10 Double Window Security Envelopes, Security-Tinted Mailing Envelopes with Flip and Seal Closure, 500 Count $29.99

Aimoh #10 Double Window Security Envelopes, Security-Tinted Mailing Envelopes with Flip and Seal Closure, 500 Count
Sponsored
current price $29.99
Options from $28.59

Aimoh #10 Double Window Security Envelopes, Security-Tinted Mailing Envelopes with Flip and Seal Closure, 500 Count

4.5 out of 5 Stars. 30 reviews
Free shipping, arrives Thu, Mar 12

Aimoh Flip and Seal #8 Security Envelopes for Business Checks, Double Window, White, 3 5/8” x 8 11/16”, 2500 Count $134.99

Aimoh Flip and Seal #8 Security Envelopes for Business Checks, Double Window, White, 3 5/8” x 8 11/16”, 2500 Count
Sponsored
current price $134.99
Options from $27.95

Aimoh Flip and Seal #8 Security Envelopes for Business Checks, Double Window, White, 3 5/8” x 8 11/16”, 2500 Count

4.6 out of 5 Stars. 13 reviews
Free shipping, arrives Thu, Mar 12

Pen+Gear #10 Privacy Tint Peel & Stick Envelopes, White, 4.13" x 9.5", 250 Count $11.83 4.7 ¢/ea

Pen+Gear #10 Privacy Tint Peel & Stick Envelopes, White, 4.13" x 9.5", 250 Count
Available in additional 2 options
current price $11.83
4.7 ¢/ea

Pen+Gear #10 Privacy Tint Peel & Stick Envelopes, White, 4.13" x 9.5", 250 Count

4.5 out of 5 Stars. 945 reviews
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50+ bought since yesterday PEN + GEAR #10 Privacy Tint Gummed Envelopes, White, 4.13 in x 9.5 in, 150 Count $7.12 4.7 ¢/ea

50+ bought since yesterday
PEN + GEAR #10 Privacy Tint Gummed Envelopes, White, 4.13 in x 9.5 in, 150 Count
Available in additional 2 options
current price $7.12
4.7 ¢/ea
Options from $7.12 – $35.60

PEN + GEAR #10 Privacy Tint Gummed Envelopes, White, 4.13 in x 9.5 in, 150 Count

4.4 out of 5 Stars. 859 reviews
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Mead 80 Count, Size No. 8 6 3/4 White Security Paper Envelopes, 9.2 cm by 16.5 cm $6.19 Was $9.00

Mead 80 Count, Size No. 8 6 3/4 White Security Paper Envelopes, 9.2 cm by 16.5 cm
current price Now $6.19, Was $9.00

Mead 80 Count, Size No. 8 6 3/4 White Security Paper Envelopes, 9.2 cm by 16.5 cm

4.6 out of 5 Stars. 35 reviews
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Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 100 Count $10.00

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 100 Count
Available in additional 5 options
current price $10.00
Options from $10.00 – $102.89

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 100 Count

4.8 out of 5 Stars. 660 reviews
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Best seller Mead #10 Envelopes, Security Printed Lining for Privacy, Press-It Seal-It Self Adhesive Closure, All-Purpose 20-lb Paper, 4-1/8" x 9-1/2", White, 45 per Box (75026) $7.40

Best seller
Mead #10 Envelopes, Security Printed Lining for Privacy, Press-It Seal-It Self Adhesive Closure, All-Purpose 20-lb Paper, 4-1/8" x 9-1/2", White, 45 per Box (75026)
current price $7.40

Mead #10 Envelopes, Security Printed Lining for Privacy, Press-It Seal-It Self Adhesive Closure, All-Purpose 20-lb Paper, 4-1/8" x 9-1/2", White, 45 per Box (75026)

4.3 out of 5 Stars. 39 reviews
Free shipping, arrives Thu, Mar 12

Mead Plain Envelopes Gummed No 6-3/4 100/BX White 75100 $5.28 $5.28/count

Mead Plain Envelopes Gummed No 6-3/4 100/BX White 75100
Available in additional 2 options
current price $5.28
$5.28/count

Mead Plain Envelopes Gummed No 6-3/4 100/BX White 75100

4.4 out of 5 Stars. 98 reviews
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Shipping arrives in 3+ days

Best seller Mead Press-It Seal-It #6 3/4 Security Envelopes White #6 3/4 $7.13

Best seller
Mead Press-It Seal-It #6 3/4 Security Envelopes White #6 3/4
Available in additional 2 options
current price $7.13
Options from $7.13 – $12.99

Mead Press-It Seal-It #6 3/4 Security Envelopes White #6 3/4

4.5 out of 5 Stars. 282 reviews
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Best seller Mead Press-It Seal-It Security Envelopes, 4.125" x 9.5", White, 45 Count $6.49

Best seller
Mead Press-It Seal-It Security Envelopes, 4.125" x 9.5", White, 45 Count
Available in additional 2 options
current price $6.49

Mead Press-It Seal-It Security Envelopes, 4.125" x 9.5", White, 45 Count

4.6 out of 5 Stars. 377 reviews
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Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 10” x 13”, White, 300 Count $66.69

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 10” x 13”, White, 300 Count
Sponsored
current price $66.69
Options from $23.99

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 10” x 13”, White, 300 Count

4.6 out of 5 Stars. 18 reviews
Free shipping, arrives Thu, Mar 12

Aimoh Gummed #10 Security Envelopes, Single Left Window Envelopes, White, 4-1/8" x 9-1/2", 500-Count $25.49

Aimoh Gummed #10 Security Envelopes, Single Left Window Envelopes, White, 4-1/8" x 9-1/2", 500-Count
Sponsored
current price $25.49
Options from $25.49 – $125.48

Aimoh Gummed #10 Security Envelopes, Single Left Window Envelopes, White, 4-1/8" x 9-1/2", 500-Count

4.5 out of 5 Stars. 75 reviews
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Shipping arrives Wed, Mar 11

100 - Pack #10 Security Envelopes Self Seal Envelopes 4-1/8" x 9-1/2" $8.45

100 - Pack #10 Security Envelopes Self Seal Envelopes 4-1/8" x 9-1/2"
current price $8.45

100 - Pack #10 Security Envelopes Self Seal Envelopes 4-1/8" x 9-1/2"

4 out of 5 Stars. 3 reviews
Free shipping, arrives Thu, Mar 12

BAZIC Secure Regular Size Business Envelopes, Easy Close Peel Stick, Windowless, Sealed, 55-Count $8.99

BAZIC Secure Regular Size Business Envelopes, Easy Close Peel Stick, Windowless, Sealed, 55-Count
Available in additional 2 options
current price $8.99
Options from $8.99 – $52.25

BAZIC Secure Regular Size Business Envelopes, Easy Close Peel Stick, Windowless, Sealed, 55-Count

4.3 out of 5 Stars. 83 reviews
Free shipping, arrives in 3+ days

BAZIC Security Self Seal Envelope 4 1/8" x 9 1/2" #10 Tint Mailing Envelopes, 40-Count $7.92 Was $10.49

BAZIC Security Self Seal Envelope 4 1/8" x 9 1/2" #10 Tint Mailing Envelopes, 40-Count
Available in additional 2 options
current price Now $7.92, Was $10.49
Options from $7.92 – $51.80

BAZIC Security Self Seal Envelope 4 1/8" x 9 1/2" #10 Tint Mailing Envelopes, 40-Count

Free shipping, arrives in 3+ days

Aimoh Self-Seal #6 3/4 Security Envelopes, Windowless Mailing Envelopes, White, 3- 5/8” x 6- 1/2”, 300 Count $17.99

Aimoh Self-Seal #6 3/4 Security Envelopes, Windowless Mailing Envelopes, White, 3- 5/8” x 6- 1/2”, 300 Count
Available in additional 6 options
current price $17.99
Options from $17.99 – $107.94

Aimoh Self-Seal #6 3/4 Security Envelopes, Windowless Mailing Envelopes, White, 3- 5/8” x 6- 1/2”, 300 Count

4.7 out of 5 Stars. 165 reviews
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Shipping arrives Wed, Mar 11

4PK Mead White Security Envelopes Security - #6 3/4 - 6 1/2" Width x 3 5/8" Length - 20 lb - Gummed - Wove - 80 / Box - White $16.49

4PK Mead White Security Envelopes Security - #6 3/4 - 6 1/2" Width x 3 5/8" Length - 20 lb - Gummed - Wove - 80 / Box - White
current price $16.49

4PK Mead White Security Envelopes Security - #6 3/4 - 6 1/2" Width x 3 5/8" Length - 20 lb - Gummed - Wove - 80 / Box - White

5 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days

Trianu #10 Security Self-Seal Tinted Envelopes for Privacy & Business, Peel and Seal, Windowless, 4-1/8 x 9-1/2 inches, 24 LB, 50 Pcs $19.99

Trianu #10 Security Self-Seal Tinted Envelopes for Privacy & Business, Peel and Seal, Windowless, 4-1/8 x 9-1/2 inches, 24 LB, 50 Pcs
current price $19.99

Trianu #10 Security Self-Seal Tinted Envelopes for Privacy & Business, Peel and Seal, Windowless, 4-1/8 x 9-1/2 inches, 24 LB, 50 Pcs

Free shipping, arrives in 3+ days

Mead No. 10 Security Envelopes Business - #10 - 9 1/2" Width x 4 1/8" Length - 20 lb - Gummed - Wove - 40 / Box - White $7.49

Mead No. 10 Security Envelopes Business - #10 - 9 1/2" Width x 4 1/8" Length - 20 lb - Gummed - Wove - 40 / Box - White
current price $7.49

Mead No. 10 Security Envelopes Business - #10 - 9 1/2" Width x 4 1/8" Length - 20 lb - Gummed - Wove - 40 / Box - White

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

Mead Press-It Seal-It Security Envelopes, 3.625in X 6.5in, #6.75, 55 Ct $7.22 $19.00/lb

Mead Press-It Seal-It Security Envelopes, 3.625in X 6.5in, #6.75, 55 Ct
current price $7.22
$19.00/lb

Mead Press-It Seal-It Security Envelopes, 3.625in X 6.5in, #6.75, 55 Ct

4.5 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days

Key Drop Envelopes 100 ct | Auto Repair Night Drop Key Envelopes | Automotive Shop Supplies for Car Service Mechanic $16.99

Key Drop Envelopes 100 ct | Auto Repair Night Drop Key Envelopes | Automotive Shop Supplies for Car Service Mechanic
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current price $16.99

Key Drop Envelopes 100 ct | Auto Repair Night Drop Key Envelopes | Automotive Shop Supplies for Car Service Mechanic

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500 - Pack #10 Security Envelopes Self Seal Envelopes 4-1/8" x 9-1/2" $18.95

500 - Pack #10 Security Envelopes Self Seal Envelopes 4-1/8" x 9-1/2"
current price $18.95

500 - Pack #10 Security Envelopes Self Seal Envelopes 4-1/8" x 9-1/2"

4.4 out of 5 Stars. 11 reviews
Free shipping, arrives Thu, Mar 12

Aimoh Gummed #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 500 Count $26.95

Aimoh Gummed #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 500 Count
Available in additional 4 options
current price $26.95
Options from $26.95 – $126.80

Aimoh Gummed #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 500 Count

4.2 out of 5 Stars. 69 reviews
Free shipping, arrives Thu, Mar 12

Pen+Gear #10 Privacy Tint Gummed Envelopes, White, 4.13" x 9.5", 500 Count $17.14

Pen+Gear #10 Privacy Tint Gummed Envelopes, White, 4.13" x 9.5", 500 Count
current price $17.14

Pen+Gear #10 Privacy Tint Gummed Envelopes, White, 4.13" x 9.5", 500 Count

4 out of 5 Stars. 73 reviews
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Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 500 Count $79.98

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 500 Count
Kraft, variant on Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 500 Count
White, variant on Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 500 Count
current price $79.98
Options from $20.98

Aimoh Self-Seal Catalog Security Envelopes, Security-Tinted Mailing Envelopes, 9” x 12”, White, 500 Count

4.7 out of 5 Stars. 75 reviews
Free shipping, arrives Thu, Mar 12

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 500 Count $27.39 Was $39.99

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 500 Count
Available in additional 2 options
current price Now $27.39, Was $39.99
Options from $27.39 – $114.89

Aimoh Self-Seal #10 Security Envelopes, Windowless Mailing Envelopes, White, 4-1/8" x 9-1/2", 500 Count

4.6 out of 5 Stars. 156 reviews
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40 Peel Self Seal White Letter Mailing Envelopes N.10 Shipping 4-1/8 X 9-1/2 In $8.87

40 Peel Self Seal White Letter Mailing Envelopes N.10 Shipping 4-1/8 X 9-1/2 In
current price $8.87

40 Peel Self Seal White Letter Mailing Envelopes N.10 Shipping 4-1/8 X 9-1/2 In

3 out of 5 Stars. 4 reviews
Free shipping, arrives in 3+ days

#10 Security Self-Seal Envelopes, 50 Count Windowless Business Mailing Envelopes, Security Tint Pattern for Secure Mailing, Invoices and Statements, Size 4-1/8 x 9-1/2 Inch $15.99

#10 Security Self-Seal Envelopes, 50 Count Windowless Business Mailing Envelopes, Security Tint Pattern for Secure Mailing, Invoices and Statements, Size 4-1/8 x 9-1/2 Inch
current price $15.99

#10 Security Self-Seal Envelopes, 50 Count Windowless Business Mailing Envelopes, Security Tint Pattern for Secure Mailing, Invoices and Statements, Size 4-1/8 x 9-1/2 Inch

Free shipping, arrives in 3+ days

BAZIC Security Self Seal Envelope 4 1/8" x 9 1/2" #10 Tint Mailing Envelopes, 40-Count $8.99

BAZIC Security Self Seal Envelope 4 1/8" x 9 1/2" #10 Tint Mailing Envelopes, 40-Count
Available in additional 3 sizes
current price $8.99
Options from $8.99 – $64.99

BAZIC Security Self Seal Envelope 4 1/8" x 9 1/2" #10 Tint Mailing Envelopes, 40-Count

4.6 out of 5 Stars. 155 reviews
Free shipping, arrives in 3+ days

Pen+Gear #10 Privacy Tint Peel and Stick Envelopes, White, 4.13 in x 9.5 in, 500 Count $25.22

Pen+Gear #10 Privacy Tint Peel and Stick Envelopes, White, 4.13 in x 9.5 in, 500 Count
Available in additional 2 options
current price $25.22
Options from $25.22 – $504.40

Pen+Gear #10 Privacy Tint Peel and Stick Envelopes, White, 4.13 in x 9.5 in, 500 Count

4.7 out of 5 Stars. 88 reviews
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#9 Regular Envelopes (3 7/8 x 8 7/8) - Holiday Red (50 Qty.) $23.07 46.1 ¢/ea

#9 Regular Envelopes (3 7/8 x 8 7/8) - Holiday Red (50 Qty.)
Bright Green, variant on #9 Regular Envelopes (3 7/8 x 8 7/8) - Holiday Red (50 Qty.)
Holiday Red, variant on #9 Regular Envelopes (3 7/8 x 8 7/8) - Holiday Red (50 Qty.)
Bright Orange, variant on #9 Regular Envelopes (3 7/8 x 8 7/8) - Holiday Red (50 Qty.)
current price $23.07
46.1 ¢/ea
Options from $23.07 – $109.94

#9 Regular Envelopes (3 7/8 x 8 7/8) - Holiday Red (50 Qty.)

Free shipping, arrives in 3+ days

Money Envelope 6.5" x 3.5", 200Pcs Cash Envelopes Money Holder Bags Budgeting Saving Challenge Letter for Gift Coins Checks Tickets Jewelry Passport Card, Light Green $27.99

Money Envelope 6.5" x 3.5", 200Pcs Cash Envelopes Money Holder Bags Budgeting Saving Challenge Letter for Gift Coins Checks Tickets Jewelry Passport Card, Light Green
current price $27.99

Money Envelope 6.5" x 3.5", 200Pcs Cash Envelopes Money Holder Bags Budgeting Saving Challenge Letter for Gift Coins Checks Tickets Jewelry Passport Card, Light Green

Free shipping, arrives in 3+ days

Universal UNV36106 No.6 0.75 Business White Envelope $15.76

Universal UNV36106 No.6 0.75 Business White Envelope
current price $15.76

Universal UNV36106 No.6 0.75 Business White Envelope

Free shipping, arrives Thu, Mar 12

Top Flight Number 10 Boxed Security Envelopes, Strip and Seal Closure, 4 1/8 x 9 1/2 Inches, White, 45 Envelopes per Box (6900120) $9.70 Was $11.91

Top Flight Number 10 Boxed Security Envelopes, Strip and Seal Closure, 4 1/8 x 9 1/2 Inches, White, 45 Envelopes per Box (6900120)
current price Now $9.70, Was $11.91

Top Flight Number 10 Boxed Security Envelopes, Strip and Seal Closure, 4 1/8 x 9 1/2 Inches, White, 45 Envelopes per Box (6900120)

5 out of 5 Stars. 5 reviews
Free shipping, arrives in 3+ days

#10 Security Tinted Self-Seal Envelopes - No Window - EnveGuard, Size 4-1/8 X 9-1/2 Inches - White - 24 LB - 100 Count (34100) $10.00 Was $13.46

#10 Security Tinted Self-Seal Envelopes - No Window - EnveGuard, Size 4-1/8 X 9-1/2 Inches - White - 24 LB - 100 Count (34100)
current price Now $10.00, Was $13.46

#10 Security Tinted Self-Seal Envelopes - No Window - EnveGuard, Size 4-1/8 X 9-1/2 Inches - White - 24 LB - 100 Count (34100)

4.8 out of 5 Stars. 18 reviews
Free shipping, arrives Thu, Mar 12

Office Depot Clean Seal(TM) Security Window Envelopes, #10 (4 1/8in. x 9 1/2in.), White, Pack Of 250, 77292 $15.29

Office Depot Clean Seal(TM) Security Window Envelopes, #10 (4 1/8in. x 9 1/2in.), White, Pack Of 250, 77292
current price $15.29

Office Depot Clean Seal(TM) Security Window Envelopes, #10 (4 1/8in. x 9 1/2in.), White, Pack Of 250, 77292

4.4 out of 5 Stars. 8 reviews
Free shipping, arrives Thu, Mar 12

4Pack Mead White Security Envelopes (75212) $20.98

4Pack Mead White Security Envelopes (75212)
current price $20.98

4Pack Mead White Security Envelopes (75212)

Free shipping, arrives in 3+ days

Office Depot Clean Seal(TM) Security Envelopes, #10 (4 1/8in. x 9 1/2in.), White, Box Of 250, 77148 $14.42 Was $17.06

Office Depot Clean Seal(TM) Security Envelopes, #10 (4 1/8in. x 9 1/2in.), White, Box Of 250, 77148
current price Now $14.42, Was $17.06

Office Depot Clean Seal(TM) Security Envelopes, #10 (4 1/8in. x 9 1/2in.), White, Box Of 250, 77148

5 out of 5 Stars. 7 reviews
Free shipping, arrives Thu, Mar 12

Aimoh Flip and Seal #8 Security Envelopes for Business Checks, Double Window, White, 3 5/8” x 8 11/16”, 2500 Count $134.99

Aimoh Flip and Seal #8 Security Envelopes for Business Checks, Double Window, White, 3 5/8” x 8 11/16”, 2500 Count
Available in additional 3 sizes
current price $134.99
Options from $27.95

Aimoh Flip and Seal #8 Security Envelopes for Business Checks, Double Window, White, 3 5/8” x 8 11/16”, 2500 Count

4.6 out of 5 Stars. 13 reviews
Free shipping, arrives Thu, Mar 12

FAQ

How do security envelopes protect my mail contents?

Security envelopes are designed with special features to help protect your mail's contents from being seen or tampered with during transit. They often include:

  • Security tinting: A patterned interior that obscures the contents, preventing anyone from reading through the envelope.
  • Opaque materials: Thicker paper or windowless designs that block visibility.
  • Secure closures: Self-seal adhesive strips or gummed flaps that help prevent accidental opening.

These features work together to provide privacy and reduce the risk of sensitive information being exposed.

What sizes of security envelopes are best for mailing documents?

Choosing the right size of security envelope depends on the documents you plan to mail. Common sizes include:

  • #10 envelopes (4 1/8" x 9 1/2"): Ideal for standard letter-sized papers folded into thirds, such as invoices or letters.
  • #6 3/4 envelopes (3 5/8" x 6 1/2"): Suitable for smaller documents like checks or cards.
  • Catalog envelopes (9" x 12"): Perfect for mailing unfolded documents, brochures, or catalogs.

Consider the size and thickness of your contents to select an envelope that fits securely without excessive empty space.

What are the benefits of self-seal versus gummed closures on security envelopes?

Security envelopes come with different closure types, mainly self-seal and gummed closures, each offering advantages:

  • Self-seal closures: These have an adhesive strip covered by a peel-away liner, allowing quick and easy sealing without moisture. They're convenient and save time, especially for high-volume mailing.
  • Gummed closures: Require moistening the adhesive flap to seal. They provide a traditional seal and can be more secure if properly moistened, but take a bit longer to use.

Your choice depends on your preference for convenience versus traditional sealing methods.

How can I address a security envelope for professional mailing?

When addressing a security envelope for professional use, keep these tips in mind:

  • Use clear, legible handwriting or printed labels to ensure accurate delivery.
  • Place the recipient's address in the center of the envelope front, and the return address in the upper left corner.
  • If using window envelopes, make sure the address on your document aligns perfectly with the window for easy visibility.
  • Include postage in the upper right corner as required by postal services.

Following these steps helps your mail look professional and reach its destination without delays.

What are some tips for securely sealing envelopes without licking them?

If you prefer not to lick envelopes to seal them, there are several easy alternatives that maintain security:

  • Use self-adhesive or peel-and-seal envelopes: These come with a sticky strip covered by a liner that you peel off to seal quickly and cleanly.
  • Apply double-sided tape or glue dots: These adhesives can reinforce the flap securely without moisture.
  • Use a damp sponge or adhesive moisteners: For gummed envelopes, these tools help control moisture without direct contact.

These methods help keep your mail sealed securely and hygienically.

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