50-Pack of Corrugated Cardboard Sheets 9×12, Flat Card Boards, Packaging Inserts for Shipping, Mailing, Arts and Crafts, DIY Projects, Packing Mailers, 2mm Thick
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Cardboard Sheets: This set of versatile card board sheets come in a traditional brown color; the solid backing makes them ideal for crafts
Perfect For: Use these cardboard squares for extra protection against bending when putting important documents in the mail