CRO WSTF35 BLA -- 36x60 Safewalk-Light. Anti-Fatigue Drainage Mats Lightweight drainage mat for medium- to heavy-duty areas. Beveled edges provide a low profile for increased safety. Superior traction in wet or dry environments. Manufacturerfs limited one-year warranty. Overall thickness 1/2 -in. General-Purpose —Product contains 60% total recovered material. Rubber. For use in wet areas. Black. Sold by the Each.