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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"
4344 out of 5 Stars. 434 reviews
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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
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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
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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
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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
1984.5 out of 5 Stars. 198 reviews
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Top rated for durability 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
101964.4 out of 5 Stars. 10196 reviews
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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
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)
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
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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
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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
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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
101964.4 out of 5 Stars. 10196 reviews
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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
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100+ bought since yesterday 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
101964.4 out of 5 Stars. 10196 reviews
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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
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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
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
2404.7 out of 5 Stars. 240 reviews
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Best seller BagDream 6x4x3 inch Shipping Boxes 25 Pack Brown Corrugated Cardboard Box for Packaging, Mailing, Small Business Was $30.99
BagDream 6x4x3 inch Shipping Boxes 25 Pack Brown Corrugated Cardboard Box for Packaging, Mailing, Small Business
1124.8 out of 5 Stars. 112 reviews
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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
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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
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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
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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
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
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, .
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 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 3mm Thick, 7x23" Corrugated Sheets, Made In USA- Orange,250 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer $249.77

$24977
current price $249.77Ucanpack 3mm Thick, 7x23" Corrugated Sheets, Made In USA- Orange,250 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer
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
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
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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 3mm Thick, 32x28" Corrugated Sheets, Made In USA- Black,50 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer $201.20

$20120
current price $201.20Ucanpack 3mm Thick, 32x28" Corrugated Sheets, Made In USA- Black,50 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer
Ucanpack White (Kraft Back) Corrugated Sheets 35x27", 3mm Flat Cardboard Inserts, Packing Sheets For Shipping, Crafts & DIY Projects - 50 Pcs (B-Flute) $146.38

$14638
current price $146.38Ucanpack White (Kraft Back) Corrugated Sheets 35x27", 3mm Flat Cardboard Inserts, Packing Sheets For Shipping, Crafts & DIY Projects - 50 Pcs (B-Flute)
UCANPACK Corrugated Cardboard Sheet (Kraft) 6 x 8" - 250 Pack Rectangle Flat Cardboard Sheets for Crafts, Shipping, Packing, Mailing, Dividers, Inserts, Art Projects - Made In USA $132.25

$13225
current price $132.25UCANPACK Corrugated Cardboard Sheet (Kraft) 6 x 8" - 250 Pack Rectangle Flat Cardboard Sheets for Crafts, Shipping, Packing, Mailing, Dividers, Inserts, Art Projects - Made In USA
Ucanpack 10x20" Flat Corrugated Cardboard Bulk Sheets, Pack of 250 "Made In USA" -Kraft 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies $210.58

$21058
current price $210.58Ucanpack 10x20" Flat Corrugated Cardboard Bulk Sheets, Pack of 250 "Made In USA" -Kraft 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies
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)
Ucanpack 3mm Thick, 30x15" Corrugated Sheets, Made In USA- Orange,100 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer $200.24

$20024
current price $200.24Ucanpack 3mm Thick, 30x15" Corrugated Sheets, Made In USA- Orange,100 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer
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
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
101964.4 out of 5 Stars. 10196 reviews
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Ucanpack 9x22" Flat Corrugated Cardboard Bulk Sheets, Pack of 250 "Made In USA" -White 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies $214.43

$21443
current price $214.43Ucanpack 9x22" Flat Corrugated Cardboard Bulk Sheets, Pack of 250 "Made In USA" -White 1/8" Thick Cardboard Sheets For Inserts Filler, Shipping, Mailers, DIY School Craft Supplies
Ucanpack 3mm Thick, 36x11" Corrugated Sheets, Made In USA- Black,100 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer $180.27

$18027
current price $180.27Ucanpack 3mm Thick, 36x11" Corrugated Sheets, Made In USA- Black,100 Pcs Bulk Flat Cardboard Sheet For Inserts, Layer Pads, Dividers, B Flute Sheets For Shipping & Mailer
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