With our volleyball spike training equipment you can easily improve your hitting skill, hitting speeds and force, arm swing technique, and ball contacting without the need of a second person. The professional and practical volleyball trainer is in a simple design, but it is very useful and practical. Features -Color:Multi -Material:Nylon, Plastic -Size:8.00X3.50X3.50cm/3.14X1.38X1.38in - Made of stable material for practical and durable use. Suitable for all levels of volleyball players, beginners or advanced players. - is a good tool, and you can practice a variety of skills, such as spiking, hitting and returning. - The practical volleyball trainer is great for athletes of all skill Train in a gym or train . - Improve your child's ball hitting ability by training volleyball spiking and strengthen the body. - Compact size and lightweight, and this volleyball hitting trainer is a good tool for training volleyball skills. Package list: 1 x Pair of Volleyball Trainer Straps