Description:

• Play a very active role in the basketball and volleyball training jumping sports
• Bounce trainer training device Leg strength and agility training strap
• From a biomechanical point of view to improve the leg strength to do anything you can do to achieve the squat action or participate in any sport, for enhancing the jump, speed and strength with adjustable rubber foot ring
• Elastic rope length 30 cm,total length 40CM
• 40 pounds pulling force per rope, 2 ropes 80 pounds in total

Package includes:
1 x Adjustable elastic waistband
2 x Ropes
2 x Adjustable ankle straps