80g drywall screen. Open mesh waterproof silicon carbide for sanding and finishing of drywall joint compound. Non-clogging abrasive screen has grit on both sides for longer life. Can be used on wood, metal, plastic, and auto body filler. 4-3/8" x 11" sheets. 25 sheets per box. Grit: 80 Grit, Length: 11", Width: 4-3/8", Pkg Qty: 25