50 Pack Corrugated Cardboard Sheets Cardboard Filler Inserts for Packing Mailing Crafts, 9x12 in

The corrugated cardboard sheets can be inserted into a mailer to protect against essential documents getting bent and damaged in the mail. The cardboard rectangles can also be used as a backing for craft projects or make your photo frames! You can also use them to make signs with markers or paint. Our brown cardboard dividers for boxes with side funneling each measure 6 x 9 inches and are 2-millimeter thick.

50 Pack Corrugated Cardboard Sheets 11 x 16.5 Inches Cardboard Sheets Flat Cardboard Inserts for Crafts Packing Mailing Art Project, 2mm Thick

Mat Board Center, 25 Pack 16x20 Brown Cardboard Sheet

Juvale 50-pack Corrugated Cardboard Sheets 9x12, Flat Inserts For

Golden State Art, 50 Pack 9x12 One-side White Corrugated Cardboard

zmybcpack 200 Pack Corrugated Cardboard Sheets 5x7 inch

Mat Board Center, 25 pack 9x12 Corrugated Cardboard

50-Pack of Corrugated Cardboard Sheets 9x12, Flat Card Boards

【Premium Material】-11 x 8.5 inch flat cardboard pad sheets are made of quality corrugated cardboard in 3mm thickness; smooth and flat; strong and

50-Pack Corrugated Cardboard Sheets with Clear Bags, 11 x 8.5 Inch Flat Packaging Inserts, 3mm Corrugated Packaging Pads Flat Cardboard Squares

8.5 X 11 Chipboard Sheets Pads Cardboard for Photos Backing Boards

The corrugated cardboard sheets can be inserted into a mailer to protect against essential documents getting bent and damaged in the mail. The cardboard rectangles can also be used as a backing for craft projects or make your photo frames! You can also use them to make signs with markers or paint. Our brown cardboard dividers for boxes with side funneling each measure 6 x 9 inches and are 2-millimeter thick.

Juvale 50 Pack Corrugated Cardboard Sheets 6x9, Flat Packaging Inserts for Packing, Shipping, Mailing, 2mm Thick

Golden State Art, 50 Pack 9x12 One-side White Corrugated Cardboard