Designed for versatile use to further develop accuracy, hand speed, and timing of the athlete. This ball is constructed of high-quality leather and reinforced straps. Mani Floor-to-ceiling ball has a double-stitched seam for lasting durability that comes with complete height adjustable straps and rubbers. Why Floor to Ceiling Ball? Improves Reaction time Great for combination punching Punch for Punch rebound Key Features Material- Full leather 16" or 40 cm size High-quality elastic cord for the greater and faster reflex of the ball. High grade double adjustable straps No dangerous rivets or metal connection Comes with complete height adjustable straps and rubbers. Optimal performance is achieved within an air pressure range of 40-45 kPa.