1. Material: Latex 2. Weight: 631 grams 3. Strong and durable iron tin-plated No. 5 hook, easy to disassemble, sturdy and durable 4. Strong elasticity, anti-break protection design 5. Equipped with easy-to-carry drawstring pockets, you can take it with you to the gym, office or even on vacation to exercise 6. It is ergonomically designed and easy to use. The ankle strap, wrist strap and waist belt are all connected by adjustable hook and loop fastener design and soft foam cushion and D-ring buckle design 7. It can be used for waist, arm and leg strength and agility training to enhance jumping, speed and strength. Suitable for basketball, volleyball, football, tennis, running, skiing, and boxing training Set content: Beam storage bag x 1 Adjustable waist belt x 1 Foam handle x 2 Ankle strap x 4 Latex anti-breaking tension tube x 4