Keep environments clean and protect boots and shoes from particulates with these affordable Safety Zone® Disposable Polypropylene Non-Skid Shoe Covers! Available in color blue and in sizes Large, X-Large. and 2X-Large. Components comply with the provisions of the Federal Food, Drug, and Cosmetic Act which allow repeated use in direct contact with food. Anti-static disposable polypropylene shoe cover has a white anti-skid tread bottom and an elastic top. This non-woven fabric helps filter particulates for contamination control in critical environments. They can be slipped on in seconds. Latex-free.