20"x20" Octagon skill shape. To achieve tear-resistant and durable, it has reinforced stitching on all sides. Thickened PU leather cover is non-slip, waterproof, crack-resistant, which is safe for your family and easier to clean. Octagon tumblers are the ideal shape mat to help your gymnast develop her skills safely. The octagon tumbing mat is great for front and back handsprings, tick-tocks, leaps, cheerleader and ideal for skill development and coordination training. The zippered design is convenient for you to take out the inner padding and clean the outer cover conveniently. (A15-25)