Z-Athletic Gymnastics, Tumbling, Martial Arts Open Cell Foam Exercise Mat This 4 inch thick, medium soft mat is perfect for a variety of landings! Use it with our Junior Training Bar or Kip Bar for the perfect cushion. The heavy duty construction will hold up against repeated use. Covered by high quality 18 oz. vinyl and contains an opened cell foam core for a softer cushion, perfect for landings. This two panel mat folds up for easy handling, storage, and transportation. Hook and loop connections on both ends. Dimensions - Unfolded: 4'x8'x4" Folded: 49"x32"x13"