Dead Flat Clear, Rust-Oleum Universal All Surface Interior/Exterior Flat Spray Paint, 11 oz - Walmart.com
Rust-Oleum Peel Coat Gloss Clear Spray Paint
Amazon.com: Krylon K01309 Gallery Series Artist and Clear Coatings Aerosol, 11-Ounce, UV-Resistant Matte Spray Paint, 11 ounce, 11 Oz : Tools & Home Improvement