Rust-Oleum Specialty Triple Thick Glaze Spray protects a coating that gives a crystal clear finish without the need for a kiln and high-heat exposure. Provides a protective topcoat for a variety of surfaces. Goes on thicker than most clear coats for better protection. Features Adheres to wood, metal, wicker, plastic, glass, plaster, ceramic, paper, and more Durable solution can be used for indoor or outdoor applications Non-yellowing, high-gloss formula preserves original color Extra-thick aerosol creates a crystal clear baked-glaze finish without heat