Al's Liner ALS-GR Gray Premium DIY Polyurethane Spray-On Truck Bed Liner Kit, With FREE Adhesion Promoter and Small Mix Paddle, Great for Rocker Panels, Bed Rails, and Full Vehicle Sprays - 1 Gallon Three-part blended polyurethane high solids coating Can be applied at any thickness in virtually any texture or color Pour components B, C and Tint into component A and mix Prevents Rust; Resistant to Gasoline, Oil, Chemicals, and Solvents Great for Rocker Panels, Running Boards, Bed Rails, Fender Wells and more Al's Liner can be applied via a Roll-On application (Flat Look) or a Spray-On Application (Textured Look)