Goof Off heavy duty remover is a water based formula that is safe on most surfaces. Powerful and effective cleaning solution removes tough spots and stains including: adhesives and glue, crayon, pen and marker, gum, scuff marks, stickers and decals, asphalt and tar, tree sap, nail polish, and more. Ideal for all kinds of hard surfaces - metal, glass, brick, wood, concrete, grout, vinyl tops, fiberglass, hand tools, countertops, and more. Includes 6 heavy duty eraser pads. No. FG705E: Size: 4 Oz., Product Form: Liquid, Pkg Qty: 1, Package Type: Clamshell