Double Sided Boxing Inflatable Fitness Equipment Home Adult Blue Black : Double layer sling: Double layer slings are used on both ends of the ball,with reinforced elastic cords that can tie the ball to the hanger,so you can play fully PREMIUM MATERIAL:Made of high quality PU leather, smooth and colors provide a comfortable hand Reinforced construction is durable Function:Practice punching speed, it will improve your endurance,speed and accuracy, trains eye and hand coordination skills Bold and highly flexible rope:it can be stretched twice, strong stretch,high flexibility, not easy to break, beautiful and practical Application:Suitable for boxing, kickboxing, kickboxing, training or other boxing training Can be used by children, adolescents and adults Specifications: Material: PU leather; Size: Approx. Total length: 180 cm/70.87 inch Ball length: 40 cm/15.75 inch Includes: 1 impact ball 2