VERSAL Boxing Speed Bag and Swivel Punching Ball Leather Training Punch Bag Speedball with Hanging Mount Hanger Key Features:  VERSAL presents high quality SKIN-TEC leather constructed speed ball with Pro Ball Bearing Swivel and fixings which is proven training tool to develop speed, timing, strength, and endurance. Heavy duty performance latex bladder for ultimate strength. Develop your reflexes and improve your quickness and hand-eye coordination Each ball is individually shaped and reinforced with Core-X Triple stitching for long lasting durability and perfect rebound accuracy. Smart tear-drop shape cuts through the Air ensuring a super-fast speed and balanced for accurate rebounds during training. SPEED BAG SWIVEL: VERSAL 360-degree Ball bearing Speedbag swivel is constructed with high quality INOX metal. Built in ball bearing design to assist with better rhythm and movement. Quick change U-clip pin security allows instant speed bag removal and change to vary training and workouts. HI-Tec two-piece design ensures smooth, efficient and secure rotation. Hand stitched speedball is tough and made tougher by using rivets around the loop of the ball which ensures that loop will not lose its shape by heavy workouts