Training Equipment Vertical Jump Trainer Bounce Trainer Device Leg

Decription: Description: This jumping instructor increases balance, ability to jump vertically and horizon, help you perform better in any sport Increase the power of the lower body by increasing resistance to training and training. It also improves posture and prevents injuries Soft latex material, comfortable, practical and safe to use Adjustable belt and ankle strap for most people Note: 1. Due to differences between different displays, the picture may not reflect the actual color of the item. 2. Compare the detail size to your detail size. For manual measurements, allow an error of 1-3 cm. Specifications: Material: latexmetal Color: green, black, red, blue Sizetension tube: black-40cm in length, pulling force 50 lbs/pc; red-40cm in length, pulling force 40 lbs/pc; green-40cm in length, pulling force 30 lbs/pc; blue-40cm in length, pulling force 20 lbs/pc Included: 2 x tension tube   2 x adjustable ankle straps    1 x adjustable elastic band