Features: Help improve volleyball spikes skills, enhancing jumping ability, suitable for individual and team training. Consist of durability component, easy to adjust, suitable for different height. Light weight and easy to carry, simple to install. Suitable for volleyball enthusiasts, athletes, coaches, and teenage students to enhancing training effectiveness. Perform daily training and skill enhancement in indoor and outdoor volleyball courts, gyms, or home environment. Specifications: Color:Six Choices Dimension:26×9×2cm/10.23×3.54×0.78in Component:Elastic, webbing Package Includes: 1pc Volleyball Training Strap note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.