12x12 Corrugated Cardboard Sheets 24 Pack Bulk Flat Square Inserts for Packing, Mailing, Crafts

Put a sheet in a mailer to protect a piece of paper so it does not get bent in the mail. Use it as a backing for craft projects, or even make your own photo frames! You can also use them to make signs with markers or paint. Each piece of kraft brown cardboard measures 12 x 12 inches.

50-Pack Large Corrugated Cardboard Sheets for Mailers, 11x14 Flat Packaging Inserts Pads, Shipping, Packing, Mailing, Dividers, Crafts, DIY Art Projects Supplies (2mm Thick)

ZEONHEI 60 Pack 12 x 12 x 1/8 inch Corrugated Cardboard Sheets, 3mm Thick Cardboard Squares, Flat Packaging Inserts for Shipping, Mailing, DIY and

Cardboard WholeSale - Price List, Bulk Buy at

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

MUKLEI 60 Pack Corrugated Cardboard Sheets 12 x 12 x 1/8 Corrugated Cardboard Filler Inserts Flat Kraft Cardboard Sheets for Shipping, Mailing

White Vinyl Records Shipping Boxes 12.5x12.5x1 Inch LP Mailing

Cardboard WholeSale - Price List, Bulk Buy at

Cardboard WholeSale - Price List, Bulk Buy at

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

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

Mat Board Center, 50 Corrugated Cardboard Sheets 12x12 Inches Flat Card Board Inserts for Packing, Shipping, Mailing, DIY Crafts : Office Products

12x12 Corrugated Cardboard Sheets 24 Pack Bulk Flat Square Inserts