New Team Sports Throw Mats are the best value in the industry! A great additional landing surface for practice, at home or in the gym. Designed for light to moderate impact! The cover features 18 oz. premium vinyl covered polyester fiber fabric on the top and bottom surfaces The Poly-Foam filler has been tested to provide the proper density and weight specifications required to achieve successful low to moderate impact absorption and stress-free landings. All 4" Skill Throw Mats, of this size, come standard as folding mats. . (This is not a tumbling hard surface mat!) The mat can also be used for tumbling drills and progressions. The softness of this mat makes it a great landing surface. The unit is perfect for both gym and home use.