This is a piece of practical training equipment used to help you reach your goals and take your training to a higher level.The resistance easily increases your heart rate to the fat burn zone, tones your legs while completing everyday movements,and willtake your body to the next level with a combination of aerobics and resistance training. Works with jumping, plyometrics and resistance training Weight free jump resistance doesn't stress joints For Athletes,For Non-athletes :This product can be usedfor basketball, volleyball and football sports training.Also for those people who has training needs. Lightweight but Powerful:Fabric protector strong latex tube.Soft latex and rubber materials for comfort and safety use,has a lightweight. AdjustablePadded Belt, Adjustable Ankle Straps, 4 Quick Release Power Tubes and Backpack Carry bag Colour: Black Size: as pictured Delivery Quantity: 1pc Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products. Products from WUZHOU's store