Features: Made of high-quality PVC material, to use. The suction force of the sucker is large and the stability is strong. Help beginners master the rotation of balls resulted by strokes on different parts and directions. Elastic steel , faster serve speed. Ideal for practice and casual playing, great for training and entertainment. Specification: Material: PVC Color: Shown as pictures Diameter: Approx. 6.5cm / 2.56in; Height: Approx. 47cm / 18.50in Weight: Approx. 121g; Package List: 1 * Sucker Ball Trainer