Standard Pack = 1 piece(s). Using 100% biodegradable ingredients combined with a citrus solvent (d-Limonene), surfactants, and emulsifiers (to mix easily with water), this biodegradable degreaser removes soap scum, tar, chewing gum, adhesives, graffiti, scuff marks, rubber tire marks, and carpet stains. 20 ounce aerosol. 12/Case.