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FREE SHIPPING ON QUALIFIED ORDERS OF $299 OR MORE

Flat Boxes

  • These cartons have a shallow depth, making them ideal for slim products.
  • They are perfect for shipping items like apparel, books, picture frames, artwork, mirrors, and clothing.
  • Made from ECT-32 kraft corrugated, these boxes ensure durability.
Image SKU Name
Bundle Price
1 - 4 5 - 9 10 +
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18 x 12 x 4" Flat Corrugated Boxes (Bundle of 25) 18124 18 x 12 x 4" Flat Corrugated Boxes (Bundle of 25) 30.48
$30.48
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12"L x 12"W x 4"H Flat Corrugated Box, 25-Pack 12124 12"L x 12"W x 4"H Flat Corrugated Box, 25-Pack 20.21
$20.21
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12"L x 10"W x 3"H Flat Corrugated Box, 25-Pack 12103 12"L x 10"W x 3"H Flat Corrugated Box, 25-Pack 28.35
$28.35
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16 x 16 x 6" Flat Corrugated Boxes (Bundle of 25) 16166 16 x 16 x 6" Flat Corrugated Boxes (Bundle of 25) 32.19
$32.19
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14"L x 14"W x 6"H Flat Corrugated Box (25-Pack) 14146 14"L x 14"W x 6"H Flat Corrugated Box (25-Pack) 27.2
$27.20
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10"L x 10"W x 4"H Corrugated Box, 25-Pack 10104 10"L x 10"W x 4"H Corrugated Box, 25-Pack 14.97
$14.97
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15 x 15 x 4" Flat Corrugated Boxes (Bundle of 25) 15154 15 x 15 x 4" Flat Corrugated Boxes (Bundle of 25) 29.89
$29.89
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18 x 12 x 6" Flat Corrugated Boxes (Bundle of 25) 18126 18 x 12 x 6" Flat Corrugated Boxes (Bundle of 25) 28.66
$28.66
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9 x 6 x 3" Flat Corrugated Boxes (Bundle of 25) 963 9 x 6 x 3" Flat Corrugated Boxes (Bundle of 25) 10.73
$10.73
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14"L x 10"W x 4"H Flat Corrugated Box (25-Pack) 14104 14"L x 10"W x 4"H Flat Corrugated Box (25-Pack) 21.47
$21.47
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24 x 14 x 4" Flat Corrugated Boxes (Bundle of 25) 24144 24 x 14 x 4" Flat Corrugated Boxes (Bundle of 25) 51.75
$51.75
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9 x 9 x 4" Flat Corrugated Boxes (Bundle of 25) 994 9 x 9 x 4" Flat Corrugated Boxes (Bundle of 25) 13.47
$13.47
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14"L x 10"W x 5"H Flat Corrugated Box (25-Pack) 14105 14"L x 10"W x 5"H Flat Corrugated Box (25-Pack) 31.8
$31.80
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20 x 14 x 6" Flat Corrugated Boxes (Bundle of 25) 20146 20 x 14 x 6" Flat Corrugated Boxes (Bundle of 25) 34.68
$34.68
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14"L x 12"W x 4"H Flat Corrugated Box (25-Pack) 14124 14"L x 12"W x 4"H Flat Corrugated Box (25-Pack) 23.46
$23.46
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14"L x 14"W x 4"H Flat Corrugated Box (25-Pack) 14144 14"L x 14"W x 4"H Flat Corrugated Box (25-Pack) 28.21
$28.21
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16 x 14 x 6" Flat Corrugated Boxes (Bundle of 25) 16146 16 x 14 x 6" Flat Corrugated Boxes (Bundle of 25) 33.06
$33.06
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13"L x 10"W x 4"H Flat Corrugated Box, 25-Pack 13104 13"L x 10"W x 4"H Flat Corrugated Box, 25-Pack 18.21
$18.21
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12"L x 12"W x 3"H Flat Corrugated Box, 25-Pack 12123 12"L x 12"W x 3"H Flat Corrugated Box, 25-Pack 19.96
$19.96
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18 x 18 x 4" Flat Corrugated Boxes (Bundle of 25) 18184 18 x 18 x 4" Flat Corrugated Boxes (Bundle of 25) 43.29
$43.29
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Flat boxes are a versatile packaging solution designed for shipping, storing, and organizing flat or compact items with ease. Ideal for products like books, artwork, printed materials, and textiles, flat boxes provide sturdy protection while minimizing bulk and maximizing space efficiency. Their low-profile design makes them perfect for businesses seeking an economical yet reliable way to package and transport flat goods safely.

Our selection of flat shipping boxes comes in a variety of sizes to accommodate different product dimensions and shipping requirements. Constructed from durable corrugated cardboard, these boxes offer excellent strength and cushioning to prevent damage during handling and transit. Whether you’re shipping promotional materials or storing inventory, flat boxes deliver a smart packaging solution that balances protection, convenience, and cost-effectiveness.