Anti-Slip Spray for Increased Grip on Fiberglass, Acrylic, Concrete and Tiles – Clear Non-Slip Coating for Shower, Bathtubs & Floors: Tub Non Slip Stickers: Amazon.com: Industrial & Scientific
Rust-Oleum Stops Rust 12 Oz. Matte Clear Enamel Spray Paint, Clear - Bliffert Lumber and Hardware
Rust-Oleum® Stops Rust® Clear AntiSlip Slip-Resistant Coating Spray - 12 oz. at Menards®
Rust-Oleum Marine 4 oz. Anti-Slip Additive (6-Pack) 207009 - The Home Depot