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Flat Cardboard(1000+)
Uses item details. Price when purchased online
500+ bought since yesterday Pen+Gear Medium Shipping Box with 32 ECT, Kraft, 11 x 7.5 x 5.5 Inches From $0.88

Sponsored
From$088
Pen+Gear Medium Shipping Box with 32 ECT, Kraft, 11 x 7.5 x 5.5 Inches
102864.4 out of 5 Stars. 10286 reviews
500+ bought since yesterday Pen+Gear Large Shipping Boxes, 15L x 12W x 10H From $1.24

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From$124
Pen+Gear Large Shipping Boxes, 15L x 12W x 10H
102864.4 out of 5 Stars. 10286 reviews
Top rated for durability Pen+Gear Large Shipping Box, 12" L x 8" W x 10" H From $0.98

Sponsored
From$098
Pen+Gear Large Shipping Box, 12" L x 8" W x 10" H
102864.4 out of 5 Stars. 10286 reviews
100+ bought since yesterday Pen+Gear Large Heavy Duty Kraft Moving Boxes, 27L x 15W x 17H From $4.24

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From$424
Pen+Gear Large Heavy Duty Kraft Moving Boxes, 27L x 15W x 17H
4114.5 out of 5 Stars. 411 reviews
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
50 Pack Brown Corrugated Cardboard Sheets, 1.8mm Thickness 8.5x11 Flat Cardboard Inserts for Shipping, Mailing, Packing, DIY Crafts $14.39

$1439
current price $14.3950 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
Rollback 200 Pack Brown Corrugated Cardboard Sheets, 1.8mm Thickness 3.5x4.5 Flat Cardboard Inserts for Shipping, Mailing, Packing, DIY Crafts $13.49 Was $14.99

Now$1349
current price Now $13.49, Was $14.99$14.99
200 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
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
2044.5 out of 5 Stars. 204 reviews
500+ 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
102864.4 out of 5 Stars. 10286 reviews
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)
100+ bought since yesterday Pen+Gear Small Shipping Box, Kraft, 6L x 6W x 6H From $0.68

Sponsored
From$068
Pen+Gear Small Shipping Box, Kraft, 6L x 6W x 6H
102864.4 out of 5 Stars. 10286 reviews
Corrugated Cardboard Roll, 12x205 Inch Large Single Face Cardboard Sheets, Thicker Wider Cardboard Paper for Crafts, Shipping, Mailing and Gift Packing $14.39

Sponsored
$1439
current price $14.39Corrugated 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
Corrugated Cardboard Roll, 12x205 Inch Large Single Face Cardboard Sheets, Thicker Wider Cardboard Paper for Crafts, Shipping, Mailing and Gift Packing $14.39

$1439
current price $14.39Corrugated 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
50-Pack Corrugated Cardboard Sheets 8.5x11 Inch Flat Packaging Inserts for Mailers & Shipping $14.99

$1499
current price $14.9950-Pack Corrugated Cardboard Sheets 8.5x11 Inch Flat Packaging Inserts for Mailers & Shipping
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
102864.4 out of 5 Stars. 10286 reviews
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 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
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
Best seller 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
2424.7 out of 5 Stars. 242 reviews
Best seller 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
102864.4 out of 5 Stars. 10286 reviews
25-Pack 15x11x4 Flat Corrugated Cardboard Shipping Boxes $78.95

Sponsored
$7895
current price $78.9525-Pack 15x11x4 Flat Corrugated Cardboard Shipping Boxes
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 $4.02
From$402
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 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
Best seller BagDream 6x4x3 inch Shipping Boxes 25 Pack Brown Corrugated Cardboard Box for Packaging, Mailing, Small Business From $17.49
From$1749
BagDream 6x4x3 inch Shipping Boxes 25 Pack Brown Corrugated Cardboard Box for Packaging, Mailing, Small Business
1124.8 out of 5 Stars. 112 reviews
Ucanpack 35x17 Flat Corrugated Cardboard Bulk Sheets, Pack of 50 Made in USA -White 1/8" Thick Cardboard Sheets for Inserts Filler, Shipping, Mailers, DIY School Craft Supplies $105.67

$10567
current price $105.67Ucanpack 35x17 Flat Corrugated Cardboard Bulk Sheets, Pack of 50 Made in USA -White 1/8" Thick Cardboard Sheets for Inserts Filler, Shipping, Mailers, DIY School Craft Supplies
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
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
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
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
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
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
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
Ucanpack 100 Pcs Corrugated Cardboard Colored Sheets, Made In USA Flat Cardboard Sheet For Inserts, White 3 mm Thick Sheet For Craft, DIY, Shipping, 30x15" Dividers & Mailing $135.72

$13572
current price $135.72Ucanpack 100 Pcs Corrugated Cardboard Colored Sheets, Made In USA Flat Cardboard Sheet For Inserts, White 3 mm Thick Sheet For Craft, DIY, Shipping, 30x15" Dividers & Mailing
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 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
50 packs of 8.5x11 inch corrugated cardboard sheets, flat paper insert, 1/16 inch thick, perfect for crafts, mailing, packaging (kraft brown) $46.69

$4669
current price $46.6950 packs of 8.5x11 inch corrugated cardboard sheets, flat paper insert, 1/16 inch thick, perfect for crafts, mailing, packaging (kraft brown)
1/8" Thick Corrugated Cardboard Dividers Sheets, GIXUSIL Flat Cardboard Packing Inserts, Cardboard Backing Sheets for Crafts Painting Shipping Mailers - GIXUSIL Brown - 50 Pack $17.99 Was $29.99

Now$1799
current price Now $17.99, Was $29.99$29.99
1/8" Thick Corrugated Cardboard Dividers Sheets, GIXUSIL Flat Cardboard Packing Inserts, Cardboard Backing Sheets for Crafts Painting Shipping Mailers - GIXUSIL Brown - 50 Pack
20 packs (12''x12'') single-faced white corrugated cardboard, thickness 1/8 inch, for mailing, packaging, and transportation flat cardboard inserts, cardboard backer, hand cardboard, . $37.85

$3785
current price $37.8520 packs (12''x12'') single-faced white corrugated cardboard, thickness 1/8 inch, for mailing, packaging, and transportation flat cardboard inserts, cardboard backer, hand cardboard, .
Ucanpack 50 Pcs Corrugated Cardboard Colored Sheets, Made In USA Flat Cardboard Sheet For Inserts, Blue 3 mm Thick Sheet For Craft, DIY, Shipping, 38x26" Dividers & Mailing $210.12

$21012
current price $210.12Ucanpack 50 Pcs Corrugated Cardboard Colored Sheets, Made In USA Flat Cardboard Sheet For Inserts, Blue 3 mm Thick Sheet For Craft, DIY, Shipping, 38x26" Dividers & Mailing
Ucanpack 100 Pcs Corrugated Cardboard Sheets, Made In USA Flat Cardboard Sheet For Inserts, Kraft 3 mm Thick Sheet For Craft, DIY, Shipping, 9x24" Dividers & Mailing $128.91

$12891
current price $128.91Ucanpack 100 Pcs Corrugated Cardboard Sheets, Made In USA Flat Cardboard Sheet For Inserts, Kraft 3 mm Thick Sheet For Craft, DIY, Shipping, 9x24" Dividers & Mailing
Ucanpack All White Cardboard Sheets 8 x 10 Inch, 2mm Thick, Pack of 100, Flat Packing Pads for Mailing, Artwork and Storage (E Flute) $142.40

$14240
current price $142.40Ucanpack All White Cardboard Sheets 8 x 10 Inch, 2mm Thick, Pack of 100, Flat Packing Pads for Mailing, Artwork and Storage (E Flute)
Ucanpack 100 Pcs Cardboard Inserts For Mailers, 12x24 Inches Flat Corrugated Seperator, 3mm Thick Brown Insert For Packing, Mailing, Crafts, Diy Supplies $105.54

$10554
current price $105.54Ucanpack 100 Pcs Cardboard Inserts For Mailers, 12x24 Inches Flat Corrugated Seperator, 3mm Thick Brown Insert For Packing, Mailing, Crafts, Diy Supplies
Ucanpack Made In USA -Pack of 250, White 1/8" Thick Cardboard Sheets For Inserts Filler, 8x19" Flat Corrugated Cardboard Bulk Sheets, Shipping, Mailers, DIY Dcor Craft Supplies $188.36

$18836
current price $188.36Ucanpack Made In USA -Pack of 250, White 1/8" Thick Cardboard Sheets For Inserts Filler, 8x19" Flat Corrugated Cardboard Bulk Sheets, Shipping, Mailers, DIY Dcor Craft Supplies
Ucanpack 8.5x11" Flat Corrugated Cardboard Bulk Sheets, Pack of 250 "Made In USA" -Pink 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies $187.30

$18730
current price $187.30Ucanpack 8.5x11" Flat Corrugated Cardboard Bulk Sheets, Pack of 250 "Made In USA" -Pink 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies
Ucanpack 3mm Thick, 23x19" Corrugated Sheets, Made In USA- Black,100 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer $200.69

$20069
current price $200.69Ucanpack 3mm Thick, 23x19" Corrugated Sheets, Made In USA- Black,100 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer
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 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
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