Description: Material: This volleyball training equipment aid is made of high quality polyester material, strong, not easy to wear. Design: Metal buckle, durable and firm, prevent the ball from falling off during training. Improve Ball Control Skills: Improve your fast arm speed and spiking power. Perfect for hitting, conditioning, jumping, hitting speed and force, arm swing technique, and agility drills. Volleyball Solo Trainer: Suitable for indoor or outdoor exercise, work on arm swing, ball contact, and footwork without the need for another person, and without ever chasing ball. Application: Great for volleyball, and professional training, and great practice equipment for all experience levels from beginners to experts. Specification: Material: Polyester Size Chart: Single Elastic Cable Width: 10mm; Stretch Range: 120cm-280cm/47.24inchx110.24inch; Ball Sleeve Single Side Length: 21cm/8.25inch Package Includes: 2 Bungee Cables 2 Cover Sleeves Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.