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 Large Corrugated Cardboard Sheets, Puerto Rico
200 Pack 5x7 Corrugated Cardboard Sheets for Mailers
HOZEON 70 Pack 8.5 x 11 inch Brown Corrugated Cardboard Sheets, 1/8 inch Thick Cardboard Sheets, Flat Cardboard Inserts Corrugated Cardboard Pads
Juvale 200 Pack 5x7 Corrugated Cardboard Sheets For Mailers, Flat Packaging Inserts For Shipping, Mailing, Crafts, 2mm Thick : Target
50-Pack Large Corrugated Cardboard Sheets, Thailand
EXTRA THICK - Still wondering if the corrugated cardboard sheet is thick enough to serve as a backing? Each sheet is 1/8 Inch thick, strong enough to
KEILEOHO 50 Packs 11 x 8.5 Inch Corrugated Cardboard Sheets, 1/8 Inch Thick High Strength Cardboard Packaging Sheets, Flat Cardboard Inserts Pads for
25 Pack Corrugated Cardboard Sheets, 8x10 Flat Card
200 Pack 5x7 Corrugated Cardboard Sheets for Mailers, Inserts for Shipping, 2mm 194425020160
Mat Board Center, 50 Pack 8x10 Corrugated Cardboard Sheets, 1/16 inch thick, Flat Cardboard Inserts for Mailing, Packaging & Shipping, Cardboard Backing, Craft Card Board (White on one side) : Office Products