Shop All Office SuppliesSmall Business CenterAll Desk & Workspace OrganizersAll Mailing SuppliesAll Paper & Printable MediaBulk School SuppliesClasp EnvelopesClassroom OrganizationClipboardsCollege School SuppliesDesk OrganizationDesk Organizer SetsDesktop OrganizersElementary School SuppliesEmrawEnvelopes by SizeExpanding FoldersFile Folder OrganizersFile OrganizersFiling ProductsGummed EnvelopesHigh School SuppliesJAM PaperKraft EnvelopesMailersMailing SuppliesManila EnvelopesManila FoldersMiddle School SuppliesMoving BoxesOffice DepotPen+GearPlastic FoldersPocket FoldersSchool SpecialtyShop All School SuppliesShop School Supplies by ColorSmeadTeachers Supplies in BulkThree Ring BindersWindow EnvelopesYellow Envelopes
Sort by|
Shop All Office SuppliesSmall Business CenterAll Desk & Workspace OrganizersAll Mailing SuppliesAll Paper & Printable MediaBulk School SuppliesClasp EnvelopesClassroom OrganizationClipboardsCollege School SuppliesDesk OrganizationDesk Organizer SetsDesktop OrganizersElementary School SuppliesEmrawEnvelopes by SizeExpanding FoldersFile Folder OrganizersFile OrganizersFiling ProductsGummed EnvelopesHigh School SuppliesJAM PaperKraft EnvelopesMailersMailing SuppliesManila EnvelopesManila FoldersMiddle School SuppliesMoving BoxesOffice DepotPen+GearPlastic FoldersPocket FoldersSchool SpecialtyShop All School SuppliesShop School Supplies by ColorSmeadTeachers Supplies in BulkThree Ring BindersWindow EnvelopesYellow Envelopes
Expansion Envelope(423)
Uses item details. Price when purchased online
PSBM White Expansion Poly Mailers 15" x 20" x 4" 3 Mil 100 Pcs Lightweight Gusset Bags for Shipping and Packing Goods From $34.71

Sponsored
From$3471
PSBM White Expansion Poly Mailers 15" x 20" x 4" 3 Mil 100 Pcs Lightweight Gusset Bags for Shipping and Packing Goods
25 out of 5 Stars. 2 reviews
PSBM White Expansion Poly Mailers 100 Pcs 13" x 16" 3 Mil Self Adhesive Lightweight Bags for Packing Books and Clothing From $30.76

Sponsored
From$3076
PSBM White Expansion Poly Mailers 100 Pcs 13" x 16" 3 Mil Self Adhesive Lightweight Bags for Packing Books and Clothing
PSBM White Expansion Poly Mailers 30" x 36" 100 Pcs 3 Mil Waterproof Puncture Resistant Bags for Packing Products From $101.35

Sponsored
From$10135
PSBM White Expansion Poly Mailers 30" x 36" 100 Pcs 3 Mil Waterproof Puncture Resistant Bags for Packing Products
PSBM White Expansion Poly Mailers 26" x 28" 100 Pcs 3 Mil Lightweight Gusset Mailers for Packing Large Clothing From $74.02

Sponsored
From$7402
PSBM White Expansion Poly Mailers 26" x 28" 100 Pcs 3 Mil Lightweight Gusset Mailers for Packing Large Clothing
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Blue, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Blue, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Pink, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Pink, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Red, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Red, 3/Pack
Save with
15 Pack 9.3"×13" Expandable Large Kraft Envelopes – Hook-and-Loop Closure Anti-Tear Catalog Envelopes | Big Mailing Envelopes for Business Office Paper Documents File Storage (Brown) Was $18.99

15 Pack 9.3"×13" Expandable Large Kraft Envelopes – Hook-and-Loop Closure Anti-Tear Catalog Envelopes | Big Mailing Envelopes for Business Office Paper Documents File Storage (Brown)
15 out of 5 Stars. 1 reviews
Save with
JAM Paper Plastic Elastic Envelope, 9.8x13x2.6, Red, 2 5/8 Expansion, 1/Pack

JAM Paper Plastic Elastic Envelope, 9.8x13x2.6, Red, 2 5/8 Expansion, 1/Pack
35 out of 5 Stars. 3 reviews
Save with
Redi-Strip Kraft Expansion Envelope, #13 1/2, Square Flap, Redi-Strip Adhesive Closure, 10 x 13, Brown Kraft, 25/Pack From $58.01

2 options
Available in additional 2 optionsFrom$5801
Redi-Strip Kraft Expansion Envelope, #13 1/2, Square Flap, Redi-Strip Adhesive Closure, 10 x 13, Brown Kraft, 25/Pack
Deal Fkszll 7 Pack Plastic File Folder, Large Expandable Folder for Document Expanding Envelope Organizer Holder for Storage Paper, Fit Legal/A4 Size for Office Business School, Clear From $13.99

Sponsored
From$1399
Fkszll 7 Pack Plastic File Folder, Large Expandable Folder for Document Expanding Envelope Organizer Holder for Storage Paper, Fit Legal/A4 Size for Office Business School, Clear
184.8 out of 5 Stars. 18 reviews
Save with
JAM Paper Plastic Hook & Loop Envelopes, 9.75 x 11.75, Fuchsia Pink, 1in Expansion, 12 per Pack $26.99 $2.30/in

Sponsored
$2699
current price $26.99$2.30/in
JAM Paper Plastic Hook & Loop Envelopes, 9.75 x 11.75, Fuchsia Pink, 1in Expansion, 12 per Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Clear, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Clear, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Blue, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Blue, 3/Pack
Save with
Quality Park Kraft Redi-strip Expansion Envelopes - Expansion - 9"W x 12" L- 2" Gusset - 40 lb - Self-sealing - Kraft $88.66

$8866
current price $88.66Quality Park Kraft Redi-strip Expansion Envelopes - Expansion - 9"W x 12" L- 2" Gusset - 40 lb - Self-sealing - Kraft
JAM Paper Plastic 3 Hole Punch Binder Envelopes, Hook & Loop Closure, Letter Booklet, 9 1/2 x 11 1/2, 1 in Expansion, Teal, 3/Pack $8.49 73.8 ¢/in

$849
current price $8.4973.8 ¢/in
JAM Paper Plastic 3 Hole Punch Binder Envelopes, Hook & Loop Closure, Letter Booklet, 9 1/2 x 11 1/2, 1 in Expansion, Teal, 3/Pack
Save with
Smead Envelope, 1-1/4" Expansion, Hook-and-Loop Closure, Side Load, Letter Size, Assorted Colors, 6 per Pack (89669)

Smead Envelope, 1-1/4" Expansion, Hook-and-Loop Closure, Side Load, Letter Size, Assorted Colors, 6 per Pack (89669)
154.9 out of 5 Stars. 15 reviews
Quality Park Tyvek Heavyweight Expansion Envelopes - Expansion - 12"W x 16" L- 4" Gusset - 18 lb - Self-sealing - Tyvek $118.80

$11880
current price $118.80Quality Park Tyvek Heavyweight Expansion Envelopes - Expansion - 12"W x 16" L- 4" Gusset - 18 lb - Self-sealing - Tyvek
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Clear, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Clear, 3/Pack
Save with
Quality Park Tyvek Expansion First Class Envelope $98.27

$9827
current price $98.27Quality Park Tyvek Expansion First Class Envelope
Save with
JAM Paper Plastic Hook & Loop Envelopes, 9.75 x 11.75, Yellow, 1in Expansion, 12 per Pack $26.99 $2.30/in

Sponsored
$2699
current price $26.99$2.30/in
JAM Paper Plastic Hook & Loop Envelopes, 9.75 x 11.75, Yellow, 1in Expansion, 12 per Pack
Save with
JAM Paper Plastic Elastic Envelopes, 9 3/4 x 13 x 2 1/4, 12/Pack, Blue, 2 5/8 Expansion $38.99

Sponsored
$3899
current price $38.99JAM Paper Plastic Elastic Envelopes, 9 3/4 x 13 x 2 1/4, 12/Pack, Blue, 2 5/8 Expansion
Save with
JAM Paper Plastic 3 Hole Punch Binder Envelopes, Hook & Loop Closure, Letter Booklet, 9 1/2 x 11 1/2, 1 in Expansion, Clear, 3/Pack $9.99 86.9 ¢/in

$999
current price $9.9986.9 ¢/in
JAM Paper Plastic 3 Hole Punch Binder Envelopes, Hook & Loop Closure, Letter Booklet, 9 1/2 x 11 1/2, 1 in Expansion, Clear, 3/Pack
Save with
Quality Park Tyvek Open-End Expansion Envelopes Expansion - 10" Width x 13" Length - 1 1/2" Gusset - 18 lb - Self-sealing - Tyvek - 100 / Carton - White $90.00

$9000
current price $90.00Quality Park Tyvek Open-End Expansion Envelopes Expansion - 10" Width x 13" Length - 1 1/2" Gusset - 18 lb - Self-sealing - Tyvek - 100 / Carton - White
Quality Park Tyvek Plain Expansion Envelopes - Expansion - 10"W x 13" L- 1 1by2" Gusset - 14 lb - Self-sealing - Tyvek - $34.00 Was $52.49 $1.36/ea

Now$3400
current price Now $34.00, Was $52.49$52.49
$1.36/ea
Quality Park Tyvek Plain Expansion Envelopes - Expansion - 10"W x 13" L- 1 1by2" Gusset - 14 lb - Self-sealing - Tyvek -
85 out of 5 Stars. 8 reviews
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Blue, 3/Pack $9.99 99.9 ¢/in

$999
current price $9.9999.9 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Blue, 3/Pack
Save with
Fatty Farmer Plastic Legal Size Expandable Envelopes with String Tie Closure, Clear File Folders Poly Project Paper Documents Organizer for Office School Home 6 PackBlue $14.99

$1499
current price $14.99Fatty Farmer Plastic Legal Size Expandable Envelopes with String Tie Closure, Clear File Folders Poly Project Paper Documents Organizer for Office School Home 6 PackBlue
JAM Paper Plastic 3 Hole Punch Binder Envelopes, Hook & Loop Closure, Letter Booklet, 9 1/2 x 11 1/2, 1 in Expansion, Blue, 3/Pack $9.99 86.9 ¢/in

$999
current price $9.9986.9 ¢/in
JAM Paper Plastic 3 Hole Punch Binder Envelopes, Hook & Loop Closure, Letter Booklet, 9 1/2 x 11 1/2, 1 in Expansion, Blue, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, White, 3/Pack $7.99 Was $9.99 61.5 ¢/in

Now$799
current price Now $7.99, Was $9.99$9.99
61.5 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, White, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Lime Green, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Lime Green, 3/Pack
Save with
JAM Paper Plastic Elastic Envelopes, 9 3/4 x 13 x 2 1/4, Red, 2 5/8 Expansion, 12/Pack $35.99 $5.76/in

Sponsored
$3599
current price $35.99$5.76/in
JAM Paper Plastic Elastic Envelopes, 9 3/4 x 13 x 2 1/4, Red, 2 5/8 Expansion, 12/Pack
15 out of 5 Stars. 1 reviews
Save with
JAM Paper Hook & Loop Plastic Envelopes, 1" Expansion, 9 3/4 x 11 1/2, Clear, 12 per Pack $27.99 $2.87/in

Sponsored
$2799
current price $27.99$2.87/in
JAM Paper Hook & Loop Plastic Envelopes, 1" Expansion, 9 3/4 x 11 1/2, Clear, 12 per Pack
Save with
JAM Plastic Expansion Envelopes with Hook & Loop Closure, Letter Booklet, 9 3/4 x 13 with 2 Inch Expansion, Assorted Colors, 6/Pack $15.66

$1566
current price $15.66JAM Plastic Expansion Envelopes with Hook & Loop Closure, Letter Booklet, 9 3/4 x 13 with 2 Inch Expansion, Assorted Colors, 6/Pack
54.8 out of 5 Stars. 5 reviews
JAM Paper Plastic Elastic Envelope, 9.8x13x2.6, Orange, 2 5/8 Expansion, 1/Pack

JAM Paper Plastic Elastic Envelope, 9.8x13x2.6, Orange, 2 5/8 Expansion, 1/Pack
33.7 out of 5 Stars. 3 reviews
Save with
Smead Poly Three-Ring Envelope, 1-1/4" Expansion, Flap with hook-and-loop closure, Letter, Clear, 3 Count

2 options
Available in additional 2 optionsSmead Poly Three-Ring Envelope, 1-1/4" Expansion, Flap with hook-and-loop closure, Letter, Clear, 3 Count
35 out of 5 Stars. 3 reviews
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Red, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Red, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Blue, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Blue, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Black, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Black, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Yellow, 3/Pack $9.99 99.9 ¢/in

$999
current price $9.9999.9 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Yellow, 3/Pack
Save with
Nvzi -b Plastic Legal Size Expandable Envelopes with String Tie Closure, Clear File Folders Poly Project Paper Documents Organizer for Office School Home 6 PackBlue $12.99

$1299
current price $12.99Nvzi -b Plastic Legal Size Expandable Envelopes with String Tie Closure, Clear File Folders Poly Project Paper Documents Organizer for Office School Home 6 PackBlue
JAM Paper Plastic Expansion Envelopes with Elastic Band Closure, Letter Booklet, 9 3/4 x 13 with 2.5' Expansion, Assorted Colors, 6/Pack $23.99

$2399
current price $23.99JAM Paper Plastic Expansion Envelopes with Elastic Band Closure, Letter Booklet, 9 3/4 x 13 with 2.5' Expansion, Assorted Colors, 6/Pack
64.7 out of 5 Stars. 6 reviews
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Red, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 2 in Expansion, Red, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes with Hook & Loop Closure, Letter Booklet, 9 3/4 x 13 with 2 Inch Expansion, Red, 12/Pack $29.99

$2999
current price $29.99JAM Paper Plastic Expansion Envelopes with Hook & Loop Closure, Letter Booklet, 9 3/4 x 13 with 2 Inch Expansion, Red, 12/Pack
15 out of 5 Stars. 1 reviews
Save with
Quality Park, QUAR4497, Tyvek Heavyweight Expansion Envelopes, 50 / Carton, White $115.06

$11506
current price $115.06Quality Park, QUAR4497, Tyvek Heavyweight Expansion Envelopes, 50 / Carton, White
Save with
Office Depot Brand 2-Pocket Envelope, 1-1/4" Expansion, Check Size, Pink $10.47

$1047
current price $10.47Office Depot Brand 2-Pocket Envelope, 1-1/4" Expansion, Check Size, Pink
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Clear, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Clear, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Smoke Gray, 3/Pack $9.99 99.9 ¢/in

$999
current price $9.9999.9 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Smoke Gray, 3/Pack
15 out of 5 Stars. 1 reviews
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Red, 3/Pack $9.99 99.9 ¢/in

$999
current price $9.9999.9 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Red, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Green, 3/Pack $9.99 76.8 ¢/in

$999
current price $9.9976.8 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop, Letter Booklet, 9 3/4 x 13, 1 in Expansion, Green, 3/Pack
Save with
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Clear, 3/Pack $9.99 99.9 ¢/in

$999
current price $9.9999.9 ¢/in
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Clear, 3/Pack
Save with
Popular in Expansion Envelope
Related Products
WRISTBIQUE Document Envelope for Business Professionals Office 10Pack 6.68X4.52X0.12in
WRISTBIQUE Document Envelope for Business Professionals Office 10Pack 6.68X4.52X0.12in$11.30current price $11.30Colored Paper String And Button Interoffice Envelope, #97, One-Sided Five-Column Format, 10 X 13, Blue, 100/box | Bundle of 2 Boxes
Colored Paper String And Button Interoffice Envelope, #97, One-Sided Five-Column Format, 10 X 13, Blue, 100/box | Bundle of 2 Boxes$180.75current price $180.75Quality Park® Interdepartment String & Button Closure Envelopes, 10" x 13", 1-Sided Narrow Rule, Blue, Box Of 100
Quality Park® Interdepartment String & Button Closure Envelopes, 10" x 13", 1-Sided Narrow Rule, Blue, Box Of 100$51.64current price $51.64Envelope,Side Open,Legal,Blue,PK5 2LJW5
Envelope,Side Open,Legal,Blue,PK5 2LJW5$18.31current price $18.31LUX #1 Coin Envelopes 2 1/4" x 3 1/2" Smoke 1000/Box (LUX-1CO-22-1000)
LUX #1 Coin Envelopes 2 1/4" x 3 1/2" Smoke 1000/Box (LUX-1CO-22-1000)$93.66current price $93.66Lion Hook and Loop Closure Poly Envelopes A4 - 8 17/64" x 11 11/16" Sheet Size - Poly - Clear - Recycled - 1 Each
Lion Hook and Loop Closure Poly Envelopes A4 - 8 17/64" x 11 11/16" Sheet Size - Poly - Clear - Recycled - 1 Each$15.28current price $15.281in. Assorted Colors Side Load Poly String Envelopes
1in. Assorted Colors Side Load Poly String Envelopes$82.66current price $82.66Inter-Department Envelope, #97, Two-Sided Five-Column Format, 10 X 13, White, 100/box | Bundle of 2 Boxes
Inter-Department Envelope, #97, Two-Sided Five-Column Format, 10 X 13, White, 100/box | Bundle of 2 Boxes$122.16current price $122.16MyOfficeInnovations EasyClose Catalog Envelopes 10"L x 13"H Brown 100/BX (381969/19023)
MyOfficeInnovations EasyClose Catalog Envelopes 10"L x 13"H Brown 100/BX (381969/19023)$34.29current price $34.29Staples Wove Side-Opening Booklet Envelopes 9" x 12" White 100/BX 473009
Staples Wove Side-Opening Booklet Envelopes 9" x 12" White 100/BX 473009$33.89current price $33.89