Gallon, Contractors Solvent, Removes What Others Can't, Even Silicone, Now You Can Remove The Toughest Messes Lighting Fast, Works In Seconds, Removes Tile & Carpet Adhesive, Roof Tar, Caulk, Sap, Expanding Foam & Much More, 100% Organic, No Chlorinated Solvents, 100% Active Ingredients, Contains No Water, Great For Large Jobs Or Refills