MAGIC FIT Power Tower Dip/Pull Up Station equipment uses excellent materials and scientific design, you can purchase it to increase your gym equipment and use it with confidence. The backrest is 9.4 inches x 11.4 inch and the cushion is 3.9 inches. Comfortable Hand-grips High-density foam, Sweat absorption, non-slip, soft and reduce pressure, fitness is more comfortable. Perfect for adults or children to grow workout - perfect for the elderly and those with spinal bone hyperplasia.