Durable & LonglastingOur Volleyball Training Aids are made of good quality nylon and wooden beads and are durable and long-lasting, wear-resisting, and can work for a long time. Proper Serving MovesYou can use this Volleyball Trainer to improve your swing motion technique or just too fast warm-up you're serving moves before a volleyball game. Elastic & AdjustableOur Volleyball Trainer also uses elastic material, which can be adjusted in length to easily adapt to different hand shapes of adults and children. Light WeightThis Volleyball Hand Training Equipment is small, can be put directly in the hand, is easy to carry, and an easy to store in your car, handbag, and bag. Multiple UsagesOur Volleyball Hand Trainer can help with developing skills like ball control, passing, touch, and reaction. Fit for play, practice, and training anywhere, perfect for both field players and goalies. Specifications: Color: black Size: 3cm in diameter, 2cm in inner diameter Package includes: 1set*Volleyball Trainer