Erie Tools 4x6 Black Rubber Anti-Fatigue Floor Mat 48" x 72" for Stables, Gyms and Garages Overall Dimensions: 4 ft. x 6 ft. (48 in. x 72 in.) Made of 1/2" synthetic rubber. Heavy-duty, anti-fatigue, anti-slip floor mat designed for use in livestock stables. Also for use in gyms and garages. Durable and easy to clean. Underside of mat features drainage grooves.