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Shop All Office SuppliesSmall Business Center#10 EnvelopesAll Desk & Workspace OrganizersAll Mailing SuppliesBinder by Ring SizeBulk School SuppliesCalendars and PlannersClear Pencil BoxesClipboardsCollege School SuppliesComposition BooksComputer AccessoriesDesk OrganizationDesk Organizer SetsDesktop OrganizersDividersDuckEnvelopes by SizeExpanding FoldersFile CabinetsFile Folder OrganizersFile OrganizersFiling ProductsHigh School SuppliesJAM PaperJournals & DiariesKraft EnvelopesLabelsLetter OpenersMailersMailing SuppliesManila EnvelopesMiddle School SuppliesMoney HandlingMoving BoxesNotebooks & PadsOffice DepotPacking MaterialsPadfoliosPen+GearPencil PouchesPlannersPocket FoldersPresentation FoldersSchool SpecialtySecurity EnvelopesShipping BoxesShipping EnvelopesShop All School SuppliesShop Notebooks by BrandShop School Supplies by ColorSmeadStaplesTeaching and Classroom SuppliesThree Ring BindersU-BrandsWindow EnvelopesWriting- EverydayYellow Envelopes
Expandable Envelope(447)
Uses item details. Price when purchased online
United States Post Office Expandable Poly Bubble Mailer, 17" x 15", White, 25 Count $64.50

Sponsored
$6450
current price $64.50United States Post Office Expandable Poly Bubble Mailer, 17" x 15", White, 25 Count
Elementree Sustainable Expandable Flat Paper Mailer, Medium, 50 Count, Peel & Stick From $17.49

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From$1749
Elementree Sustainable Expandable Flat Paper Mailer, Medium, 50 Count, Peel & Stick
24.5 out of 5 Stars. 2 reviews
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Elementree Sustainable Expandable Flat Paper Mailer, Small, 250 Count, Peel & Stick From $41.99

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From$4199
Elementree Sustainable Expandable Flat Paper Mailer, Small, 250 Count, Peel & Stick
224.7 out of 5 Stars. 22 reviews
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JAM Paper Plastic Hook & Loop Envelopes, 9.8x11.8x1, 12/Pack, Black, 1 Inch Expansion $27.99

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$2799
current price $27.99JAM Paper Plastic Hook & Loop Envelopes, 9.8x11.8x1, 12/Pack, Black, 1 Inch Expansion
114.6 out of 5 Stars. 11 reviews
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50+ bought since yesterday Pendaflex File Jacket, Letter, 2", 10 per Pack, Manila From $5.14

2 options
Available in additional 2 optionsFrom$514
Pendaflex File Jacket, Letter, 2", 10 per Pack, Manila
3784.5 out of 5 Stars. 378 reviews
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Best seller Amaopus 6 Pack Plastic Expanding File Folder, Transparent envelopes with Snap Closure, No Dividers, Large Capacity, Assorted Colors, Fit Letter, A4 Size $15.99

$1599
current price $15.99Amaopus 6 Pack Plastic Expanding File Folder, Transparent envelopes with Snap Closure, No Dividers, Large Capacity, Assorted Colors, Fit Letter, A4 Size
234.7 out of 5 Stars. 23 reviews
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100+ bought since yesterday Pendaflex Reinforced 2" Expansion File Jackets, Letter, 10 per Pack, Assorted Colors From $6.68

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Available in additional 2 optionsFrom$668
Pendaflex Reinforced 2" Expansion File Jackets, Letter, 10 per Pack, Assorted Colors
7714.6 out of 5 Stars. 771 reviews
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Best seller Pen+Gear Coupon Size 7 Pocket Expanding File, Clear with Rainbow Pocket,Assembled Product Heigt 5.7" From $5.84

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Available in additional 2 optionsFrom$584
Pen+Gear Coupon Size 7 Pocket Expanding File, Clear with Rainbow Pocket,Assembled Product Heigt 5.7"
1564.5 out of 5 Stars. 156 reviews
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Clearance Preplabs Plastic Expanding File Folder, Transparent Envelopes with Snap Closure Organizer Was $8.13

Preplabs Plastic Expanding File Folder, Transparent Envelopes with Snap Closure Organizer
JAM Paper 13 Pocket Expanding File, Black, 1/Pack, Check Size, 5 x 10 1/2 $9.99

$999
current price $9.99JAM Paper 13 Pocket Expanding File, Black, 1/Pack, Check Size, 5 x 10 1/2
234 out of 5 Stars. 23 reviews
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JAM Paper Plastic Hook & Loop Envelopes, 9.8x13x1, 12/Pack, Orange, 1 Inch Expansion $26.99

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$2699
current price $26.99JAM Paper Plastic Hook & Loop Envelopes, 9.8x13x1, 12/Pack, Orange, 1 Inch Expansion
15 out of 5 Stars. 1 reviews
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JAM Paper Plastic Multi, Pocket Envelope, Clear, 1/Pack, Hook & Loop, 9.8x13

JAM Paper Plastic Multi, Pocket Envelope, Clear, 1/Pack, Hook & Loop, 9.8x13
54 out of 5 Stars. 5 reviews
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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
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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
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JAM Paper Plastic Expansion Envelopes, Elastic Band Closure, Letter Booklet, 9 3/4 x 13, 2.5 in Expansion, Purple, 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, Purple, 3/Pack
13 out of 5 Stars. 1 reviews
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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
BAZIC Expanding File Folder 7 Pockets, Plastic Document Envelopes, 1-Pack From $8.96

3 options
Available in additional 3 optionsFrom$896
BAZIC Expanding File Folder 7 Pockets, Plastic Document Envelopes, 1-Pack
294.6 out of 5 Stars. 29 reviews
JAM Paper & Envelope Tyvek Expandable Open End Catalog Envelopes with Peel & Seal Closure, 9 x 12 x 1, White, 250/Box $427.99

$42799
current price $427.99JAM Paper & Envelope Tyvek Expandable Open End Catalog Envelopes with Peel & Seal Closure, 9 x 12 x 1, White, 250/Box
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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
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JAM Paper Plastic Hook & Loop Envelopes, 9.8x13x2, 12/Pack, Assorted, 2 Inch Expansion $29.69

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$2969
current price $29.69JAM Paper Plastic Hook & Loop Envelopes, 9.8x13x2, 12/Pack, Assorted, 2 Inch Expansion
15 out of 5 Stars. 1 reviews
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JAM Paper Plastic Hook & Loop Envelopes, 9.8x13x2, 12/Pack, Fuchsia Pink, 2 Inch Expansion $26.99

Sponsored
$2699
current price $26.99JAM Paper Plastic Hook & Loop Envelopes, 9.8x13x2, 12/Pack, Fuchsia Pink, 2 Inch Expansion
15 out of 5 Stars. 1 reviews
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FKSZLL Plastic Expanding File Folder Large Expandable Folder for Document Transparent Envelope Organizer Holder for Storage Letter Paper for Office Business School, A4 Size-7 Pack From $13.99

2 options
Available in additional 2 optionsFrom$1399
FKSZLL Plastic Expanding File Folder Large Expandable Folder for Document Transparent Envelope Organizer Holder for Storage Letter Paper for Office Business School, A4 Size-7 Pack
64.7 out of 5 Stars. 6 reviews
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Chenjy Plastic File Folder Poly Envelope Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, Large Waterproof Accordion File Pouch (Assorted Colors) Clearance From $7.08

From$708
Chenjy Plastic File Folder Poly Envelope Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, Large Waterproof Accordion File Pouch (Assorted Colors) Clearance
Office Depot Brand Expanding Envelope, 2" Expansion, Legal Size, Assorted Colors $17.99

$1799
current price $17.99Office Depot Brand Expanding Envelope, 2" Expansion, Legal Size, Assorted Colors
A4 Imitation Leather Large Capacity Storage Bag Expandable File Folder Envelopes Office Document Holder Portable Travel $5.99

$599
current price $5.99A4 Imitation Leather Large Capacity Storage Bag Expandable File Folder Envelopes Office Document Holder Portable Travel
12 Pack Clear Plastic Envelopes Envelopes Expandable Files Document Folders with Button & String Tie Closure A4 $14.94

$1494
current price $14.9412 Pack Clear Plastic Envelopes Envelopes Expandable Files Document Folders with Button & String Tie Closure A4
Clearance Leodye Plastic Expanding File Folder, Transparent envelopes with Elastic Closure, No Dividers, Large Capacity, Fit Letter/A4 Size From $2.69
From$269
Leodye Plastic Expanding File Folder, Transparent envelopes with Elastic Closure, No Dividers, Large Capacity, Fit Letter/A4 Size
Case-Guard Expanding Wallet, File Envelope, Portfolio, Russet Color Polyvinyl Material, Legal Size 10" x 15" with 5 1/4" Expansion and Elastic Cord Closure, 25 per Carton $273.13 Was $295.54

Now$27313
current price Now $273.13, Was $295.54$295.54
Case-Guard Expanding Wallet, File Envelope, Portfolio, Russet Color Polyvinyl Material, Legal Size 10" x 15" with 5 1/4" Expansion and Elastic Cord Closure, 25 per Carton
JAM Tyvek Expandable Open End Catalog Envelopes with Peel & Seal Closure, 12 x 16 x 2, White, 100/Pack $182.99

$18299
current price $182.99JAM Tyvek Expandable Open End Catalog Envelopes with Peel & Seal Closure, 12 x 16 x 2, White, 100/Pack
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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

Sponsored
$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
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JAM Paper Plastic 3, Hole Envelopes, 8.6x11.5x1, 12/Pack, Assorted, 1 Inch Expansion $29.99

Sponsored
$2999
current price $29.99JAM Paper Plastic 3, Hole Envelopes, 8.6x11.5x1, 12/Pack, Assorted, 1 Inch Expansion
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Mfigree Plastic File Folders Legal Size Expandable Document Folder with Snap Button Closure, A4 Expanding File Wallet Envelopes Pouch with Label Pocket, Office & Stationery From $8.99
From$899
Mfigree Plastic File Folders Legal Size Expandable Document Folder with Snap Button Closure, A4 Expanding File Wallet Envelopes Pouch with Label Pocket, Office & Stationery
Clear Plastic Expandable Envelope with Buckle Closure, A4 Size Document Organizer for School, Office and Home Use From $7.09
From$709
Clear Plastic Expandable Envelope with Buckle Closure, A4 Size Document Organizer for School, Office and Home Use
JAM Paper Plastic Expansion Envelopes, Hook & Loop Closure, #10 Booklet Wallet, 5 1/4 x 10, 1 in Expansion, Fuchsia Pink, 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, Fuchsia Pink, 3/Pack
15 out of 5 Stars. 1 reviews
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10 x 13 x 2" White "Side" Self-Seal Expandable Tyvek Envelopes 100 Per Case $162.63

$16263
current price $162.6310 x 13 x 2" White "Side" Self-Seal Expandable Tyvek Envelopes 100 Per Case
Plastic Legal Size Expandable Envelopes with String Tie Closure, 1-1/4" Expansion, Side Load, Clear File Folders Paper Documents Organizer for Office School Home (Blue) Was $8.49

Plastic Legal Size Expandable Envelopes with String Tie Closure, 1-1/4" Expansion, Side Load, Clear File Folders Paper Documents Organizer for Office School Home (Blue)
JAM Tyvek Expandable Booklet Envelopes with Peel & Seal Closure, 12 x 16 x 2, White, 100/Pack $259.58

$25958
current price $259.58JAM Tyvek Expandable Booklet Envelopes with Peel & Seal Closure, 12 x 16 x 2, White, 100/Pack
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Clearance Plastic Expanding File Folder, Transparent Envelopes with Snap Closure,No Dividers,Large Capacity,Document Organizer for Receipts, Bills&Taxes,Letter/A4 Size for School/Office/Home Eactix From $6.09
From$609
Plastic Expanding File Folder, Transparent Envelopes with Snap Closure,No Dividers,Large Capacity,Document Organizer for Receipts, Bills&Taxes,Letter/A4 Size for School/Office/Home Eactix
JAM Tyvek Expandable Booklet Envelopes with Peel & Seal Closure, 12 x 16 x 4, White, 100/Pack $309.88

$30988
current price $309.88JAM Tyvek Expandable Booklet Envelopes with Peel & Seal Closure, 12 x 16 x 4, White, 100/Pack
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Staples Plastic Button & String Document Envelopes Assorted Colors 5/Pack (TR10782-CC) $11.21

$1121
current price $11.21Staples Plastic Button & String Document Envelopes Assorted Colors 5/Pack (TR10782-CC)
4164.5 out of 5 Stars. 416 reviews
Wozhidaoke Waterproof File Folder Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, Large Waterproof Accordion File Pouch (Assorted Color) Poly Envelope From $8.29
From$829
Wozhidaoke Waterproof File Folder Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, Large Waterproof Accordion File Pouch (Assorted Color) Poly Envelope
PTOOTP 10-Pack Light Brown Kraft Paper Envelopes Expandable Document Folders for Office and School Use $15.69

$1569
current price $15.69PTOOTP 10-Pack Light Brown Kraft Paper Envelopes Expandable Document Folders for Office and School Use
Box Partners TYE12162WE 12 in. x 16 in. x 2 in. Expandable Tyvek Envelopes $166.60

$16660
current price $166.60Box Partners TYE12162WE 12 in. x 16 in. x 2 in. Expandable Tyvek Envelopes
JAM Tyvek Expandable Booklet Envelopes with Peel & Seal Closure, 10 x 12 x 4, White, 250/Box $562.99

$56299
current price $562.99JAM Tyvek Expandable Booklet Envelopes with Peel & Seal Closure, 10 x 12 x 4, White, 250/Box
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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
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5 Pocket Accordion Folder, Furenl 5 Pocket Expanding File Folder, Plastic File Wallet Envelope – Expanding Accordion Folder With Snap Closure & Label Pocket, Clear Colored Document Organizer For Home From $6.09
From$609
5 Pocket Accordion Folder, Furenl 5 Pocket Expanding File Folder, Plastic File Wallet Envelope – Expanding Accordion Folder With Snap Closure & Label Pocket, Clear Colored Document Organizer For Home
JAM Tyvek Expandable Open End Catalog Envelopes with Peel & Seal Closure, 9 x 12 x 2, White, 250/Box $422.99

$42299
current price $422.99JAM Tyvek Expandable Open End Catalog Envelopes with Peel & Seal Closure, 9 x 12 x 2, White, 250/Box
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Plastic File Folder, Large-Capacity Poly Envelope Expanding Wallet Document Folder Letter Size A4 Accordion File Pouch with Label Pocket, Snap Button for School Home Work Office Organization From $5.09
From$509
Plastic File Folder, Large-Capacity Poly Envelope Expanding Wallet Document Folder Letter Size A4 Accordion File Pouch with Label Pocket, Snap Button for School Home Work Office Organization
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
54.2 out of 5 Stars. 5 reviews
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Amaopus 6 Pack Plastic Expanding File Folder, Transparent envelopes with Snap Closure, No Dividers, Large Capacity, Assorted Colors, Fit Letter, A4 Size$15.99current price $15.99Office Depot® Brand Paper Expanding File With Flap, 31 Pocket, Expansion 2", 8 1/2" x 11", Letter, 30 % Recycled, Brown, Pack of 1
Office Depot® Brand Paper Expanding File With Flap, 31 Pocket, Expansion 2", 8 1/2" x 11", Letter, 30 % Recycled, Brown, Pack of 1$16.39current price $16.39Staples Extra Large Paper Stock File Pocket 3.25" Expansion 11.97" x 18" Size Brown 2/Pack (1060E2S)
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