EnvelopesShop All Office SuppliesSmall Business CenterAll Desk & Workspace OrganizersAll Mailing SuppliesAll Paper & Printable MediaBankers BoxBlack Poster BoardBlank MediaBoards & EaselsBulk School SuppliesBusiness Card Holders & Name PlatesCardstockClassroom DecorationClassroom OrganizationComputer AccessoriesDesk OrganizationFile CabinetsFiling ProductsFoam BoardsKraft PaperMailersMailing SuppliesMoving BoxesMoving KitsMoving SuppliesOffice DepotOffice SignsPacking MaterialsPacking TapePaconPen+GearPen+Gear Shipping & Moving SuppliesPoster BoardsPrattPresentation Boards & Presentation EaselsSchool Arts and CraftsShipping BoxesTeachers Supplies in BulkTri-Fold Poster BoardsWhite Poster Board
Sort by|
EnvelopesShop All Office SuppliesSmall Business CenterAll Desk & Workspace OrganizersAll Mailing SuppliesAll Paper & Printable MediaBankers BoxBlack Poster BoardBlank MediaBoards & EaselsBulk School SuppliesBusiness Card Holders & Name PlatesCardstockClassroom DecorationClassroom OrganizationComputer AccessoriesDesk OrganizationFile CabinetsFiling ProductsFoam BoardsKraft PaperMailersMailing SuppliesMoving BoxesMoving KitsMoving SuppliesOffice DepotOffice SignsPacking MaterialsPacking TapePaconPen+GearPen+Gear Shipping & Moving SuppliesPoster BoardsPrattPresentation Boards & Presentation EaselsSchool Arts and CraftsShipping BoxesTeachers Supplies in BulkTri-Fold Poster BoardsWhite Poster Board
Flat Cardboard(1000+)
Uses item details. Price when purchased online
25-Pack 15x11x4 Flat Corrugated Cardboard Shipping Boxes $78.95
Sponsored
$7895
current price $78.9525-Pack 15x11x4 Flat Corrugated Cardboard Shipping Boxes
100+ bought since yesterday Pen+Gear White Tri-Fold Corrugated Project Board, 14" x 22"
2 options
Available in additional 2 optionsPen+Gear White Tri-Fold Corrugated Project Board, 14" x 22"
4364 out of 5 Stars. 436 reviews
Save with
50 Pack Brown Corrugated Cardboard Sheets, 1.8mm Thickness 8.5x11 Flat Cardboard Inserts for Shipping, Mailing, Packing, DIY Crafts $14.99
$1499
current price $14.9950 Pack Brown Corrugated Cardboard Sheets, 1.8mm Thickness 8.5x11 Flat Cardboard Inserts for Shipping, Mailing, Packing, DIY Crafts
44.8 out of 5 Stars. 4 reviews
Save with
Ucanpack 250 Pcs Corrugated Cardboard Sheets, Made In USA- 12x12" Inch Small Cardboards Square, White Bulk Flat Corrugated Inserts, Shipping, Mailers & Dividers Sheets $173.60
$17360
current price $173.60Ucanpack 250 Pcs Corrugated Cardboard Sheets, Made In USA- 12x12" Inch Small Cardboards Square, White Bulk Flat Corrugated Inserts, Shipping, Mailers & Dividers Sheets
200 Pack Brown Corrugated Cardboard Sheets, 1.8mm Thickness 3.5x4.5 Flat Cardboard Inserts for Shipping, Mailing, Packing, DIY Crafts $14.99
$1499
current price $14.99200 Pack Brown Corrugated Cardboard Sheets, 1.8mm Thickness 3.5x4.5 Flat Cardboard Inserts for Shipping, Mailing, Packing, DIY Crafts
15 out of 5 Stars. 1 reviews
Save with
100+ bought since yesterday Pen+Gear Recycled Tuck-top Shipping Box, 9" L x 6" W x 4" H, White, 1 Count From $1.38
2 options
Available in additional 2 optionsFrom$138
Pen+Gear Recycled Tuck-top Shipping Box, 9" L x 6" W x 4" H, White, 1 Count
2054.5 out of 5 Stars. 205 reviews
Save with
Trianu 50 Pack Corrugated Cardboard Sheets 4x6 inch Flat Cardboard Pads for Packaging, Mailing, Shipping, Crafts, Brown $19.98
$1998
current price $19.98Trianu 50 Pack Corrugated Cardboard Sheets 4x6 inch Flat Cardboard Pads for Packaging, Mailing, Shipping, Crafts, Brown
50-Pack Corrugated Cardboard Sheets 8.5x11 Inch Flat Packaging Inserts for Mailers & Shipping $15.99
$1599
current price $15.9950-Pack Corrugated Cardboard Sheets 8.5x11 Inch Flat Packaging Inserts for Mailers & Shipping
Save with
Corrugated Cardboard Roll, 12x205 Inch Large Single Face Cardboard Sheets, Thicker Wider Cardboard Paper for Crafts, Shipping, Mailing and Gift Packing $15.99
$1599
current price $15.99Corrugated Cardboard Roll, 12x205 Inch Large Single Face Cardboard Sheets, Thicker Wider Cardboard Paper for Crafts, Shipping, Mailing and Gift Packing
15 out of 5 Stars. 1 reviews
Save with
GIXUSIL 50 Pack Corrugated Cardboard for Packaging Flat Cardboard Sheet, Inserts Square Flat Cardboard Separators for Shipping Packing Mailing Crafts (Brown, 4 x 6 inch) $17.99 Was $21.99
Now$1799
current price Now $17.99, Was $21.99$21.99
GIXUSIL 50 Pack Corrugated Cardboard for Packaging Flat Cardboard Sheet, Inserts Square Flat Cardboard Separators for Shipping Packing Mailing Crafts (Brown, 4 x 6 inch)
1K+ bought since yesterday Pen+Gear Medium Shipping Box with 32 ECT, Kraft, 11 x 7.5 x 5.5 Inches From $0.88
2 options
Available in additional 2 optionsFrom$088
Pen+Gear Medium Shipping Box with 32 ECT, Kraft, 11 x 7.5 x 5.5 Inches
103174.4 out of 5 Stars. 10317 reviews
Save with
Ucanpack 50 Pcs Corrugated Cardboard Sheets, Made in USA- 25x25 Inch Cardboard Squares Sheet, White Bulk Flat Cardboard Inserts, Shipping, Mailers & Dividers Sheets $108.24
$10824
current price $108.24Ucanpack 50 Pcs Corrugated Cardboard Sheets, Made in USA- 25x25 Inch Cardboard Squares Sheet, White Bulk Flat Cardboard Inserts, Shipping, Mailers & Dividers Sheets
500+ bought since yesterday Pen+Gear Large Shipping Boxes, 15L x 12W x 10H From $1.24
3 options
Available in additional 3 optionsFrom$124
Pen+Gear Large Shipping Boxes, 15L x 12W x 10H
103174.4 out of 5 Stars. 10317 reviews
Save with
50 Packs 8x10 Inch Corrugated Cardboard Sheets, Premium Brown Kraft Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, DIY Dcor and Crafts $18.99
$1899
current price $18.9950 Packs 8x10 Inch Corrugated Cardboard Sheets, Premium Brown Kraft Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, DIY Dcor and Crafts
Save with
Top rated for durability Pen+Gear Recycled Shipping Boxes, 12" L x 8" W x 10" H, 30-Count From $0.98
3 options
Available in additional 3 optionsFrom$098
Pen+Gear Recycled Shipping Boxes, 12" L x 8" W x 10" H, 30-Count
103174.4 out of 5 Stars. 10317 reviews
Save with
Shipping Boxes, Extra-Hard Kraft Corrugated Mailer Box 19.7 x 13.7x 3.1 in, Flat Cardboard Shipping Box for Clothing, Art Prints and Boutique Packaging, Easter decor and Valentines Day Gifts F From $4.45
From$445
Shipping Boxes, Extra-Hard Kraft Corrugated Mailer Box 19.7 x 13.7x 3.1 in, Flat Cardboard Shipping Box for Clothing, Art Prints and Boutique Packaging, Easter decor and Valentines Day Gifts F
50-Pack Corrugated Cardboard Sheets 8x10 Inch Flat Packaging Inserts for Mailers & Shipping $21.59
$2159
current price $21.5950-Pack Corrugated Cardboard Sheets 8x10 Inch Flat Packaging Inserts for Mailers & Shipping
Save with
100+ bought since yesterday Pen+Gear Side-Loading Shipping Boxes, 9"x12"x3", 1 Count From $1.13
2 options
Available in additional 2 optionsFrom$113
Pen+Gear Side-Loading Shipping Boxes, 9"x12"x3", 1 Count
2454.7 out of 5 Stars. 245 reviews
Save with
100-Pack Corrugated Cardboard Sheets 5x7 inch Flat Packaging Inserts for Mailers & Shipping $14.49
$1449
current price $14.49100-Pack Corrugated Cardboard Sheets 5x7 inch Flat Packaging Inserts for Mailers & Shipping
Save with
Ucanpack 23x12" Flat Corrugated Cardboard Bulk Sheets, Pack of 150, Made In USA -White 3/32" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies $147.79
$14779
current price $147.79Ucanpack 23x12" Flat Corrugated Cardboard Bulk Sheets, Pack of 150, Made In USA -White 3/32" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies
ORDDIART Flat Cardboard For Shipping Diy Projects 50Pcs 11.71X8.25X0.55In $16.94
$1694
current price $16.94ORDDIART Flat Cardboard For Shipping Diy Projects 50Pcs 11.71X8.25X0.55In
50-Pack Corrugated Cardboard Sheets 11x14 Inch Flat Packaging Inserts for Mailers & Shipping $18.99
$1899
current price $18.9950-Pack Corrugated Cardboard Sheets 11x14 Inch Flat Packaging Inserts for Mailers & Shipping
Save with
200 Packs 3.5x4.5 Inch Trading Card Shipping Protector, Premium Kraft Brown Corrugated Pads Bulk Flat Cardboard Sheets for T-Shirts, Shipping, Mailing, Cardboard Crafts $17.89
$1789
current price $17.89200 Packs 3.5x4.5 Inch Trading Card Shipping Protector, Premium Kraft Brown Corrugated Pads Bulk Flat Cardboard Sheets for T-Shirts, Shipping, Mailing, Cardboard Crafts
25 out of 5 Stars. 2 reviews
Save with
Clearance Squares Cardboard Inserts, Flat Cardboard Layer Pads for Delivering Packing, 50 Pack Corrugated Boards Sheets for Mailing or Art Crafts Projects (1/8" Thick, Brown) GIXUSIL $17.99 Was $37.78
Now$1799
current price Now $17.99, Was $37.78$37.78
Squares Cardboard Inserts, Flat Cardboard Layer Pads for Delivering Packing, 50 Pack Corrugated Boards Sheets for Mailing or Art Crafts Projects (1/8" Thick, Brown) GIXUSIL
11 out of 5 Stars. 1 reviews
Best seller BagDream 6x4x3 inch Shipping Boxes 25 Pack Brown Corrugated Cardboard Box for Packaging, Mailing, Small Business From $17.99
From$1799
BagDream 6x4x3 inch Shipping Boxes 25 Pack Brown Corrugated Cardboard Box for Packaging, Mailing, Small Business
1134.8 out of 5 Stars. 113 reviews
Save with
200-Pack Corrugated Cardboard Sheets 5x7 inch Flat Packaging Inserts for Mailers & Shipping $21.99
$2199
current price $21.99200-Pack Corrugated Cardboard Sheets 5x7 inch Flat Packaging Inserts for Mailers & Shipping
Save with
200 Packs 4x6 Inch Corrugated Sheets, Premium Pads Inserts Bulk Flat for T-Shirts, Shipping, Mailing, Cardboard Divider Backing and Crafts $21.59
$2159
current price $21.59200 Packs 4x6 Inch Corrugated Sheets, Premium Pads Inserts Bulk Flat for T-Shirts, Shipping, Mailing, Cardboard Divider Backing and Crafts
Save with
Ucanpack 250 Pcs Corrugated Cardboard Sheets, Made In USA- 12x12" Inch Small Cardboards Square, White Bulk Flat Corrugated Inserts, Shipping, Mailers & Dividers Sheets $181.04
$18104
current price $181.04Ucanpack 250 Pcs Corrugated Cardboard Sheets, Made In USA- 12x12" Inch Small Cardboards Square, White Bulk Flat Corrugated Inserts, Shipping, Mailers & Dividers Sheets
200 Packs 3.5x4.5 Inch White Trading Card Shipping Protector, Premium Kraft Brown Corrugated Pads Bulk Flat Cardboard Sheets for T-Shirts, Shipping, Mailing, Cardboard Crafts $19.99
$1999
current price $19.99200 Packs 3.5x4.5 Inch White Trading Card Shipping Protector, Premium Kraft Brown Corrugated Pads Bulk Flat Cardboard Sheets for T-Shirts, Shipping, Mailing, Cardboard Crafts
Save with
Pen+Gear Recycled Shipping Boxes, 6 in. L x 6 in. W x 6 in. H, 30-Count From $0.68
2 options
Available in additional 2 optionsFrom$068
Pen+Gear Recycled Shipping Boxes, 6 in. L x 6 in. W x 6 in. H, 30-Count
103174.4 out of 5 Stars. 10317 reviews
Save with
Ucanpack 100 Pcs Corrugated Cardboard Sheets, Made In USA Flat Cardboard Sheet For Inserts, Kraft 3 mm Thick Sheet For Craft, DIY, Shipping, 9x21" Dividers & Mailing $118.90
$11890
current price $118.90Ucanpack 100 Pcs Corrugated Cardboard Sheets, Made In USA Flat Cardboard Sheet For Inserts, Kraft 3 mm Thick Sheet For Craft, DIY, Shipping, 9x21" Dividers & Mailing
Medium Brown Mailing Boxes 15x10x6cm Corrugated Cardboard for Small Business, Flat Pack Shipping Cartons with Tab Lock Tuck Top, Recyclable Kraft Finish From $4.79
From$479
Medium Brown Mailing Boxes 15x10x6cm Corrugated Cardboard for Small Business, Flat Pack Shipping Cartons with Tab Lock Tuck Top, Recyclable Kraft Finish
UCANPACK White Top Corrugated Cardboard Sheet 14 x 22" - 150 Pack Rectangle Flat Cardboard Sheets for Crafts, Shipping, Packing, Mailing, Dividers, Inserts, Art Projects - Made In USA $167.18
$16718
current price $167.18UCANPACK White Top Corrugated Cardboard Sheet 14 x 22" - 150 Pack Rectangle Flat Cardboard Sheets for Crafts, Shipping, Packing, Mailing, Dividers, Inserts, Art Projects - Made In USA
KHBUAB 30Pcs White Cardboard Tiny Shipping Boxes for E-commerce Packaging Flat Box 10X6.5X1.5in $9.92
$992
current price $9.92KHBUAB 30Pcs White Cardboard Tiny Shipping Boxes for E-commerce Packaging Flat Box 10X6.5X1.5in
Ucanpack 3mm Thick, 31x23" Corrugated Sheets, Made In USA- Purple,50 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer $162.11
$16211
current price $162.11Ucanpack 3mm Thick, 31x23" Corrugated Sheets, Made In USA- Purple,50 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer
Ucanpack 75 Pcs Corrugated Cardboard Sheets, Made In USA- 23x23" Inch Cardboards Square Sheet, White Bulk Flat Corrugated Inserts, Shipping, Mailers & Dividers Sheets $113.89
$11389
current price $113.89Ucanpack 75 Pcs Corrugated Cardboard Sheets, Made In USA- 23x23" Inch Cardboards Square Sheet, White Bulk Flat Corrugated Inserts, Shipping, Mailers & Dividers Sheets
Ucanpack Made In USA-12x12" Corrugated Sheets 250 Pcs Pack, Kraft Bulk Flat Square Cardboard Inserts, Mailers & Shipping Layers Pad, Dividers, School Carft Supplies $178.48
$17848
current price $178.48Ucanpack Made In USA-12x12" Corrugated Sheets 250 Pcs Pack, Kraft Bulk Flat Square Cardboard Inserts, Mailers & Shipping Layers Pad, Dividers, School Carft Supplies
The Boxery 15-Pack Large Moving Boxes, 18x18x18 Inch Brown/Kraft Corrugated Cardboard From $21.50
10 options
Available in additional 10 optionsFrom$2150
The Boxery 15-Pack Large Moving Boxes, 18x18x18 Inch Brown/Kraft Corrugated Cardboard
464.4 out of 5 Stars. 46 reviews
Ucanpack Made In USA-22x22" Corrugated Cardboard Sheets 50 Pcs Pack, Kraft Bulk Flat Square Cardboard Inserts, Mailers & Shipping Layers Pad, Dividers, School Carft Supplies $116.84
$11684
current price $116.84Ucanpack Made In USA-22x22" Corrugated Cardboard Sheets 50 Pcs Pack, Kraft Bulk Flat Square Cardboard Inserts, Mailers & Shipping Layers Pad, Dividers, School Carft Supplies
Ucanpack Made In USA -Pack of 50, Blue 1/8" Thick Cardboard Sheets For Inserts Filler, 37x26" Flat Corrugated Cardboard Bulk Sheets, Shipping, Mailers, DIY Dcor Craft Supplies $205.66
$20566
current price $205.66Ucanpack Made In USA -Pack of 50, Blue 1/8" Thick Cardboard Sheets For Inserts Filler, 37x26" Flat Corrugated Cardboard Bulk Sheets, Shipping, Mailers, DIY Dcor Craft Supplies
UCANPACK All Black Corrugated Cardboard Sheet 14 x 8" - 250 Pack Flat Packaging Inserts for Shipping, Crafts, Packing, Mailing, Dividers, Inserts, School Projects - Made In USA $195.68
$19568
current price $195.68UCANPACK All Black Corrugated Cardboard Sheet 14 x 8" - 250 Pack Flat Packaging Inserts for Shipping, Crafts, Packing, Mailing, Dividers, Inserts, School Projects - Made In USA
Popular in Shop Durable Corrugated Cardboard Boxes and Packaging Supplies
Related Products
14x14x20 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5
14x14x20 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5$72.08current price $72.0812x6x6 Kraft Brown Corrugated Shipping Boxes Multi-Depth, 44 ECT Single-Wall, Qty 10
12x6x6 Kraft Brown Corrugated Shipping Boxes Multi-Depth, 44 ECT Single-Wall, Qty 10$20.80current price $20.80– 7x4x4 Inches Pack of 100 Corrugated Cardboard Packing Shipping Mailing Moving Carton Boxes
– 7x4x4 Inches Pack of 100 Corrugated Cardboard Packing Shipping Mailing Moving Carton Boxes$48.07current price $48.0718x14x10 Moving & Shipping Boxes, Extra Strength, Heavy-Duty Corrugated Cardboard Boxes for Packing, Storage, Shipping, Transport, Commerce (5)
18x14x10 Moving & Shipping Boxes, Extra Strength, Heavy-Duty Corrugated Cardboard Boxes for Packing, Storage, Shipping, Transport, Commerce (5)$25.95current price $25.95Flat Corrugated Boxes - 16 x 14 x 4", ECT-32, 25/Bundle
Flat Corrugated Boxes - 16 x 14 x 4", ECT-32, 25/Bundle$71.18current price $71.1814x14x18 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5
14x14x18 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5$34.20current price $34.20Flat Corrugated Boxes - 24 x 20 x 4", ECT-32, 20/Bundle
Flat Corrugated Boxes - 24 x 20 x 4", ECT-32, 20/Bundle$142.36current price $142.36Flat Corrugated Boxes - 16 x 16 x 5", ECT-32, 25/Bundle
Flat Corrugated Boxes - 16 x 16 x 5", ECT-32, 25/Bundle$82.23current price $82.2310 x 10 x 12" - Multi-Depth Corrugated Boxes, ECT-32, 25/Pack
10 x 10 x 12" - Multi-Depth Corrugated Boxes, ECT-32, 25/Pack$62.68current price $62.6821x14x14 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5
21x14x14 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5$63.79current price $63.79Kraft Corrugated Boxes ECT-32, 16 x 16 x 9", 25/Case
Kraft Corrugated Boxes ECT-32, 16 x 16 x 9", 25/Case$93.49current price $93.4910x9x9 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5
10x9x9 Kraft Brown Corrugated Shipping Boxes, 32 ECT Single-Wall, Qty 5$19.10current price $19.10Kraft Corrugated Boxes ECT-32, 18 x 18 x 10", 20/Case
Kraft Corrugated Boxes ECT-32, 18 x 18 x 10", 20/Case$91.89current price $91.8912x10x8 Kraft Brown Corrugated Shipping Boxes Multi-Depth, 44 ECT Single-Wall, Qty 10
12x10x8 Kraft Brown Corrugated Shipping Boxes Multi-Depth, 44 ECT Single-Wall, Qty 10$28.01current price $28.01Office Depot® Brand Corrugated Cartons, 18" x 12" x 4", Kraft, Pack Of 25
Office Depot® Brand Corrugated Cartons, 18" x 12" x 4", Kraft, Pack Of 25$47.99current price $47.99