AK Athletics Blue Folding Incline Gymnastics Wedge Mat 29" wide x 72" long x 14" tall ideal for teaching beginning gymnastics basic rolls and walkovers The foam is a high density 100 pound compression firm foam folding incline mat is covered in 18 ounce vinyl coated nylon that is fire rated, mildew resistant, rot resistant, UV resistant and is free of lead and phthalates. made in the U.S.A!