Description : This leg resistance set is a practical training equipment to help you reach your goals and take your training to a higher level . Great for sports performance or fitness . Such as increase speed , agility , and muscle by maximizing your workout potential , etc . Made of premium quality latex tube , strong , resistance , to prevent collapse , enhance the bounce . The tension of rope is 30 pounds , there are 2 types of resistant rope : standard pull rope ( 290mm ) and anti - break pull rope ( 470mm ). We have different options combo for you to choose , meets your different requirement . Type A : 2 * Ankle cuffs + 2 * standard pull rope + 2 buckles ; Type B : 2 * Ankle cuffs + 2 * anti - break pull rope + 2 buckles ; Type C : 1 waist strap + 2 * Ankle cuff + 2 * standard pull rope + 2 buckles ; Type D : 1 waist strap + 2 * Ankle cuff + 2 * anti - break pull rope + 2 buckles ; Type E : 1 waist strap + 2 * Ankle cuff + 4 * standard pull rope + 2 buckles ; Type F : 1 waist strap + 2 * Ankle cuff + 4 * anti - break pull rope + 2 buckles . Package Includes : 1 Set Vertical Jump Trainer