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Class Envelope Size

Uses item details. Price when purchased online

Offset Window First Class Mail Envelope Peel & Close, 100 Count $94.95

Offset Window First Class Mail Envelope Peel & Close, 100 Count
Sponsored
current price $94.95

Offset Window First Class Mail Envelope Peel & Close, 100 Count

Single Window First Class Tax Return Envelope 9.5" X 11.5" Moisture Seal, 100/Pk $82.00

Single Window First Class Tax Return Envelope 9.5" X 11.5" Moisture Seal, 100/Pk
Sponsored
current price $82.00

Single Window First Class Tax Return Envelope 9.5" X 11.5" Moisture Seal, 100/Pk

Offset Window First Class Mailing Envelope Peel & Seal, 100 Count $94.95

Offset Window First Class Mailing Envelope Peel & Seal, 100 Count
Sponsored
current price $94.95

Offset Window First Class Mailing Envelope Peel & Seal, 100 Count

Double Window FIrst Class Mail Envelope, 100 Count $82.00

Double Window FIrst Class Mail Envelope, 100 Count
Sponsored
current price $82.00

Double Window FIrst Class Mail Envelope, 100 Count

500+ bought since yesterday Pen + Gear #10 Privacy Tinted Gummed Envelopes, White, Count per Pack 40, Size - 4.13"x9.5" From $2.36

Pen + Gear #10 Privacy Tinted Gummed Envelopes, White, Count per Pack 40, Size - 4.13"x9.5"
Available in additional 3 options
Options
From$236

Pen + Gear #10 Privacy Tinted Gummed Envelopes, White, Count per Pack 40, Size - 4.13"x9.5"

4.5 out of 5 Stars. 3167 reviews

Clearance 5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026 Was $5.99

5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026
B, variant on 5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026
D, variant on 5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026
E, variant on 5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026
G, variant on 5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026
Options

5x7 Envelopes Envelopes V Invitation Envelopes For 5x7 Thank You Cards Birthday Wedding Invites Photo Paper Envelope For Graduation Party,grad party supplies class of 2026

Clearance Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies From $2.38

Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies
Black, variant on Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies
Black*1PC, variant on Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies
Black-folders with pockets, variant on Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies
Blue, variant on Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies
Options
From$238

Plastic Envelopes with Snap Closure,Expanding with Snap Closure,A4 Size Reusable Clear Envelopes Plastic,Waterproof Envelopes Folders,Large Capacity for Classroom Must Haves,Classroom Supplies

MyOfficeInnovations First Class Catalog Envelopes 9"L x 12"H White and Green 100/BX 486929 $38.81

MyOfficeInnovations First Class Catalog Envelopes 9"L x 12"H White and Green 100/BX 486929
current price $38.81

MyOfficeInnovations First Class Catalog Envelopes 9"L x 12"H White and Green 100/BX 486929

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #15 1/2 - 12" Width x 15 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White $56.63 56.6 ¢/ea

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #15 1/2 - 12" Width x 15 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
current price $56.63
56.6 ¢/ea

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #15 1/2 - 12" Width x 15 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White

5 out of 5 Stars. 1 reviews

1st Class Envelopes W-Flap-Stik- 9in.x12in.- White $102.86

1st Class Envelopes W-Flap-Stik- 9in.x12in.- White
current price $102.86

1st Class Envelopes W-Flap-Stik- 9in.x12in.- White

JAM Paper Blue 9 x 12 Open End Catalog Peel and Seal Envelopes, Bulk 250 Per Box From $21.99

JAM Paper Blue 9 x 12 Open End Catalog Peel and Seal Envelopes, Bulk 250 Per Box
Options
Sponsored
From$2199

JAM Paper Blue 9 x 12 Open End Catalog Peel and Seal Envelopes, Bulk 250 Per Box

4 out of 5 Stars. 2 reviews

6 x 9" White "End" Self-Seal Flat Tyvek® Envelopes 100 Per Case $58.17

6 x 9" White "End" Self-Seal Flat Tyvek® Envelopes 100 Per Case
Sponsored
current price $58.17

6 x 9" White "End" Self-Seal Flat Tyvek® Envelopes 100 Per Case

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - 10" Width x 15" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White $52.99 53.0 ¢/ea

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - 10" Width x 15" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
current price $52.99
53.0 ¢/ea

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - 10" Width x 15" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White

First Class Expansion Envelopes- 100 Per Carton $217.91

First Class Expansion Envelopes- 100 Per Carton
current price $217.91

First Class Expansion Envelopes- 100 Per Carton

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White $49.96

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
current price $49.96

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White

Quality Park Redi Strip Catalog Envelope First Class 10 x 13 White 100/Box 44786 $26.92 26.9 ¢/ea

Quality Park Redi Strip Catalog Envelope First Class 10 x 13 White 100/Box 44786
current price $26.92
26.9 ¢/ea

Quality Park Redi Strip Catalog Envelope First Class 10 x 13 White 100/Box 44786

4 out of 5 Stars. 5 reviews

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #10 1/2 - 9" Width x 12" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White $46.35

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #10 1/2 - 9" Width x 12" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
current price $46.35

Quality Park Survivor Tyvek First Class Envelopes First Class Mail - #10 1/2 - 9" Width x 12" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White

4.6 out of 5 Stars. 10 reviews

Open End First Class Catalog Envelopes, 10" x 13", 25#, Green Diamond Border, White Paper/Poly/Paper, 'First Class Mail' on Face & Flap (Box of 500) $381.83

Open End First Class Catalog Envelopes, 10" x 13", 25#, Green Diamond Border, White Paper/Poly/Paper, 'First Class Mail' on Face & Flap (Box of 500)
current price $381.83

Open End First Class Catalog Envelopes, 10" x 13", 25#, Green Diamond Border, White Paper/Poly/Paper, 'First Class Mail' on Face & Flap (Box of 500)

Open End First Class Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 500) $453.17

Open End First Class Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 500)
current price $453.17

Open End First Class Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 500)

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 6"W x 9" L- 14 lb - Peel & Seal - Tyvek - White $52.38

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 6"W x 9" L- 14 lb - Peel & Seal - Tyvek - White
current price $52.38

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 6"W x 9" L- 14 lb - Peel & Seal - Tyvek - White

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 10"W x 15" L- 14 lb - Peel & Seal - Tyvek - White $108.35

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 10"W x 15" L- 14 lb - Peel & Seal - Tyvek - White
current price $108.35

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 10"W x 15" L- 14 lb - Peel & Seal - Tyvek - White

B & H Publishing Group 465255 Form Report Envelope For Class 6 Pt $14.29

B & H Publishing Group 465255 Form Report Envelope For Class 6 Pt
current price $14.29

B & H Publishing Group 465255 Form Report Envelope For Class 6 Pt

Quality Park Tyvek Expansion First Class Envelopes $110.78

Quality Park Tyvek Expansion First Class Envelopes
current price $110.78

Quality Park Tyvek Expansion First Class Envelopes

Quality Park Products Tyvek Open-End Envelope- 1st Class- 12in.x15-.50in.- White $117.03

Quality Park Products Tyvek Open-End Envelope- 1st Class- 12in.x15-.50in.- White
current price $117.03

Quality Park Products Tyvek Open-End Envelope- 1st Class- 12in.x15-.50in.- White

QUA44534 - Quality Park Redi-Strip First Class Catalog Envelope $69.48

QUA44534 - Quality Park Redi-Strip First Class Catalog Envelope
current price $69.48

QUA44534 - Quality Park Redi-Strip First Class Catalog Envelope

Open End First Class Catalog Envelopes, 10" x 13", 28#,Green Diamond Border, "First Class Mail" on Face, Pres-Stick Seal $246.29

Open End First Class Catalog Envelopes, 10" x 13", 28#,Green Diamond Border, "First Class Mail" on Face, Pres-Stick Seal
current price $246.29

Open End First Class Catalog Envelopes, 10" x 13", 28#,Green Diamond Border, "First Class Mail" on Face, Pres-Stick Seal

Open End First Class Tyvek Catalog Envelopes, 9-1/2" x 12-1/2", 14#, 'First Class Mail' on Face & Flap (Box of 500) $427.47

Open End First Class Tyvek Catalog Envelopes, 9-1/2" x 12-1/2", 14#, 'First Class Mail' on Face & Flap (Box of 500)
current price $427.47

Open End First Class Tyvek Catalog Envelopes, 9-1/2" x 12-1/2", 14#, 'First Class Mail' on Face & Flap (Box of 500)

Open End First Class Catalog Envelopes, 9" x 12", 28#, Green Diamond Border, "First Class Mail" on Face, Kwik-Tak Seal $228.44

Open End First Class Catalog Envelopes, 9" x 12", 28#, Green Diamond Border, "First Class Mail" on Face, Kwik-Tak Seal
current price $228.44

Open End First Class Catalog Envelopes, 9" x 12", 28#, Green Diamond Border, "First Class Mail" on Face, Kwik-Tak Seal

Open End First Class Catalog Envelopes, 10" x 13", 28#, Green Diamond Border, White Kraft, "First Class Mail" on Face $219.55

Open End First Class Catalog Envelopes, 10" x 13", 28#, Green Diamond Border, White Kraft, "First Class Mail" on Face
current price $219.55

Open End First Class Catalog Envelopes, 10" x 13", 28#, Green Diamond Border, White Kraft, "First Class Mail" on Face

"Redi-Strip Catalog Envelope, First Class, #13 1/2, Cheese Blade Flap, Redi-Strip Adhesive Closure, 10 x 13, White, 100/Box | Bundle of 2 Boxes" From $107.75

"Redi-Strip Catalog Envelope, First Class, #13 1/2, Cheese Blade Flap, Redi-Strip Adhesive Closure, 10 x 13, White, 100/Box | Bundle of 2 Boxes"
Available in additional 2 options
Options
From$10775

"Redi-Strip Catalog Envelope, First Class, #13 1/2, Cheese Blade Flap, Redi-Strip Adhesive Closure, 10 x 13, White, 100/Box | Bundle of 2 Boxes"

CodYinFI First-Class Catalog Envelopes (CodYinFI) $37.30

CodYinFI First-Class Catalog Envelopes (CodYinFI)
current price $37.30

CodYinFI First-Class Catalog Envelopes (CodYinFI)

Quality Park Ship-Lite First Class Envelopes, White, 100 / Box (Quantity)

Quality Park Ship-Lite First Class Envelopes, White, 100 / Box (Quantity)

Quality Park Ship-Lite First Class Envelopes, White, 100 / Box (Quantity)

WASHWEPE White Rectangular Envelopes 50 Pcs for Graduations Thickened Paper Blank Surface $12.41

WASHWEPE White Rectangular Envelopes 50 Pcs for Graduations Thickened Paper Blank Surface
current price $12.41

WASHWEPE White Rectangular Envelopes 50 Pcs for Graduations Thickened Paper Blank Surface

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 2 1by2 - 9 1by2"W x 12 1by2" L- 14 lb - Peel & $102.42

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 2 1by2 - 9 1by2"W x 12 1by2" L- 14 lb - Peel &
current price $102.42

Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 2 1by2 - 9 1by2"W x 12 1by2" L- 14 lb - Peel &

Open End First Class Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 100) $122.17

Open End First Class Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 100)
current price $122.17

Open End First Class Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 100)

Open End First Class Catalog Envelopes, 10" x 13", 28#,Green Diamond Border, "First Class Mail" on Face, Kwik-Tak Seal $271.27

Open End First Class Catalog Envelopes, 10" x 13", 28#,Green Diamond Border, "First Class Mail" on Face, Kwik-Tak Seal
current price $271.27

Open End First Class Catalog Envelopes, 10" x 13", 28#,Green Diamond Border, "First Class Mail" on Face, Kwik-Tak Seal

White Catalog Envelopes with First Class Border, 9-1/2" x 12-1/2", White Sulphite, 28 lb (SFI Certified), Vellum Finish, Center Seam, No Window - Box of 500 Envelopes $203.64

White Catalog Envelopes with First Class Border, 9-1/2" x 12-1/2", White Sulphite, 28 lb (SFI Certified), Vellum Finish, Center Seam, No Window - Box of 500 Envelopes
current price $203.64

White Catalog Envelopes with First Class Border, 9-1/2" x 12-1/2", White Sulphite, 28 lb (SFI Certified), Vellum Finish, Center Seam, No Window - Box of 500 Envelopes

Quality Park Tyvek Expansion First Class Envelope $98.27

Quality Park Tyvek Expansion First Class Envelope
current price $98.27

Quality Park Tyvek Expansion First Class Envelope

Kwik-Tak Catalog Envelopes with First Class Border, 10" x 13", White Sulphite, 28 lb (SFI Certified), Vellum Finish, Center Seam, No Window - Box of 500 Envelopes $278.35

Kwik-Tak Catalog Envelopes with First Class Border, 10" x 13", White Sulphite, 28 lb (SFI Certified), Vellum Finish, Center Seam, No Window - Box of 500 Envelopes
current price $278.35

Kwik-Tak Catalog Envelopes with First Class Border, 10" x 13", White Sulphite, 28 lb (SFI Certified), Vellum Finish, Center Seam, No Window - Box of 500 Envelopes

Document Organizer | 6 Pack Assorted Color Plastic Envelopes with Snap Closure | Letter Size Back to School Supplies for Class and Office Organization | Storage Organizer for

Document Organizer | 6 Pack Assorted Color Plastic Envelopes with Snap Closure | Letter Size Back to School Supplies for Class and Office Organization | Storage Organizer for

Document Organizer | 6 Pack Assorted Color Plastic Envelopes with Snap Closure | Letter Size Back to School Supplies for Class and Office Organization | Storage Organizer for

Open End First Class Catalog Envelopes, 6" x 9", 28#, First Class Green Diamond Border, Tan / Brown Kraft, "First Class Mail" on Face (Box of 500) $143.36

Open End First Class Catalog Envelopes, 6" x 9", 28#, First Class Green Diamond Border, Tan / Brown Kraft, "First Class Mail" on Face (Box of 500)
current price $143.36

Open End First Class Catalog Envelopes, 6" x 9", 28#, First Class Green Diamond Border, Tan / Brown Kraft, "First Class Mail" on Face (Box of 500)

Single Window First Class Tax Return Envelope 9.5" X 11.5" Moisture Seal, 100/Pk $82.00

Single Window First Class Tax Return Envelope 9.5" X 11.5" Moisture Seal, 100/Pk
current price $82.00

Single Window First Class Tax Return Envelope 9.5" X 11.5" Moisture Seal, 100/Pk

Quality Park First-Class Catalog Envelopes Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - 100 / Box - White $24.61 Was $34.99

Quality Park First-Class Catalog Envelopes Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - 100 / Box - White
current price Now $24.61, Was $34.99

Quality Park First-Class Catalog Envelopes Catalog - 9" Width x 12" Length - 28 lb - Peel & Seal - 100 / Box - White

5 out of 5 Stars. 3 reviews

Staples First Class Catalog Envelopes 9"L x 12"H White and Green 100/BX 486929 From $22.45

Staples First Class Catalog Envelopes 9"L x 12"H White and Green 100/BX 486929
Options
From$2245

Staples First Class Catalog Envelopes 9"L x 12"H White and Green 100/BX 486929

4.5 out of 5 Stars. 2 reviews

Staples First Class Self Seal Catalog Envelopes 10"L x 13"H White with Green Diamond Border $30.01

Staples First Class Self Seal Catalog Envelopes 10"L x 13"H White with Green Diamond Border
current price $30.01

Staples First Class Self Seal Catalog Envelopes 10"L x 13"H White with Green Diamond Border

Open End First Class Expansion Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 100) $204.14

Open End First Class Expansion Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 100)
current price $204.14

Open End First Class Expansion Tyvek Catalog Envelopes, 10" x 13", 14#, 'First Class Mail' on Face and Flap (Box of 100)

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