![Amazon.com: Golden State Art, 50 pack 5x7 Corrugated Cardboard Sheets Cardboard Inserts Flat Cardboard Layer Pads for Packing, Mailing or Art Crafts (1/8" Thick, Brown) : Office Products Amazon.com: Golden State Art, 50 pack 5x7 Corrugated Cardboard Sheets Cardboard Inserts Flat Cardboard Layer Pads for Packing, Mailing or Art Crafts (1/8" Thick, Brown) : Office Products](https://m.media-amazon.com/images/I/710EbPws9xL.jpg)
Amazon.com: Golden State Art, 50 pack 5x7 Corrugated Cardboard Sheets Cardboard Inserts Flat Cardboard Layer Pads for Packing, Mailing or Art Crafts (1/8" Thick, Brown) : Office Products
![50-Pack Large Corrugated Cardboard Sheets, 11x17-Inch Flat Packaging Inserts Pads for Mailers, Shipping, Packing, Mailing, Arts and Crafts, DIY Projects (2mm Thick) - Walmart.com 50-Pack Large Corrugated Cardboard Sheets, 11x17-Inch Flat Packaging Inserts Pads for Mailers, Shipping, Packing, Mailing, Arts and Crafts, DIY Projects (2mm Thick) - Walmart.com](https://i5.walmartimages.com/seo/50-Pack-Large-Corrugated-Cardboard-Sheets-11x17-Inch-Flat-Packaging-Inserts-Pads-Mailers-Shipping-Packing-Mailing-Arts-Crafts-DIY-Projects-2mm-Thick_7deed4d0-2180-4577-bd3a-78f053303ea6.b6a94defd4f008cac7874b34005d70bd.jpeg)
50-Pack Large Corrugated Cardboard Sheets, 11x17-Inch Flat Packaging Inserts Pads for Mailers, Shipping, Packing, Mailing, Arts and Crafts, DIY Projects (2mm Thick) - Walmart.com
![Amazon.com: 50 Packs 8x10 Inch Corrugated Cardboard Sheets, Premium Brown Kraft Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, DIY Décor and Crafts : Office Products Amazon.com: 50 Packs 8x10 Inch Corrugated Cardboard Sheets, Premium Brown Kraft Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, DIY Décor and Crafts : Office Products](https://m.media-amazon.com/images/I/61W-uKxgM-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 50 Packs 8x10 Inch Corrugated Cardboard Sheets, Premium Brown Kraft Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, DIY Décor and Crafts : Office Products
![24 Sheets Kraft Corrugated Cardboard Sheets, Inserts for Mailers, Dividers, Packing, Crafts (Brown, 8.5 x 11 In) | Michaels 24 Sheets Kraft Corrugated Cardboard Sheets, Inserts for Mailers, Dividers, Packing, Crafts (Brown, 8.5 x 11 In) | Michaels](https://static.platform.michaels.com/2c-prd/144124259356636441.jpeg?fit=inside|1280:1280)
24 Sheets Kraft Corrugated Cardboard Sheets, Inserts for Mailers, Dividers, Packing, Crafts (Brown, 8.5 x 11 In) | Michaels
![Amazon.com : 400 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets, Premium White Corrugated Cardboard Inserts Bulk Flat for Sports Card Protectors, Trading Card Folders Mail Shipping Stiffeners, Cardboard Divider : Office Products Amazon.com : 400 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets, Premium White Corrugated Cardboard Inserts Bulk Flat for Sports Card Protectors, Trading Card Folders Mail Shipping Stiffeners, Cardboard Divider : Office Products](https://m.media-amazon.com/images/I/71mnGYc+nBL._AC_UF894,1000_QL80_.jpg)
Amazon.com : 400 Packs 3.5x4.5 Inch Corrugated Cardboard Sheets, Premium White Corrugated Cardboard Inserts Bulk Flat for Sports Card Protectors, Trading Card Folders Mail Shipping Stiffeners, Cardboard Divider : Office Products
![Amazon.com: 50 Packs 11x14 Inch Corrugated Cardboard Sheets, Rigid Kraft Cardboard Divider Inserts for Shipping, Mailing, DIY Décor and Crafts. (11x14-50 Pack) : Office Products Amazon.com: 50 Packs 11x14 Inch Corrugated Cardboard Sheets, Rigid Kraft Cardboard Divider Inserts for Shipping, Mailing, DIY Décor and Crafts. (11x14-50 Pack) : Office Products](https://m.media-amazon.com/images/I/71Jhk7-nHpL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 50 Packs 11x14 Inch Corrugated Cardboard Sheets, Rigid Kraft Cardboard Divider Inserts for Shipping, Mailing, DIY Décor and Crafts. (11x14-50 Pack) : Office Products
![Amazon.com: 50 Packs 11x14 Inch Corrugated Cardboard Sheets, Rigid Kraft Cardboard Divider Inserts for Shipping, Mailing, DIY Décor and Crafts. (11x14-50 Pack) : Office Products Amazon.com: 50 Packs 11x14 Inch Corrugated Cardboard Sheets, Rigid Kraft Cardboard Divider Inserts for Shipping, Mailing, DIY Décor and Crafts. (11x14-50 Pack) : Office Products](https://m.media-amazon.com/images/I/71Jhk7-nHpL.jpg)
Amazon.com: 50 Packs 11x14 Inch Corrugated Cardboard Sheets, Rigid Kraft Cardboard Divider Inserts for Shipping, Mailing, DIY Décor and Crafts. (11x14-50 Pack) : Office Products
![200 Pack 5x7 Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing, Crafts, 2mm Thick | Michaels 200 Pack 5x7 Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing, Crafts, 2mm Thick | Michaels](https://static.platform.michaels.com/2c-prd/3458780811428689056.jpeg?fit=inside|1280:1280)