Tobefore 직경 21cm 유연한 내마모성 배구 훈련 장비 보조 도구, 초보자 연습 서빙/훌륭한 배구 스파이크 훈련 시스템, 나일론 배구 스파이크 훈련 시스템 1세트

["The 26 centimeter long patch enhances the contact surface and supports ball training with a diameter of 21 centimeters or more. The volleyball training equipment is made of lightweight and durable nylon. Firmly hold the ball in place and no worry about breaking while practicing. Fit for solo and team, easy to carry.","Upgrade the large hook to make the connection with the strap more sturdy and less prone to breakage, making training more effective.","With our volleyball spike training equipment, you can easily improve your wicked fast arm speed and spiking power, without ever chasing a ball, no need the help of another.","Equipped with 2 elastic ropes and 1 training belt , the ball can be firmly fixed in place. You can bind the ball to the post or easily bind the ball between two trees in the backyard. Adjustable elastic rope can adjust the length and height according to your needs.","Our volleyball equipment training is suitable for indoor and beach volleyball. It can even fit basket balls, football, makes it possible to practice things like serves that you wouldn't normally be able to do alone."]