Rust-Oleum Specialty Triple Thick Glaze is a clear protective coating that gives a glass-like crystal clear finish. It provides a protective, non-yellowing top coat that applies thicker than other clear coatings. Great for wood, metal, wicker, plastic, glass, plaster, ceramic and paper. Can be used on interior and exterior surfaces. Paint Sub-Category: Specialty; Intended Application Environment: Interior/Exterior; Finish/Sheen: High Gloss; Color(s): Clear.