Pack of 24pcs 3-star advanced training balls with good bounce, great for training, schools, beginners, table tennis robots. Features: 24pcs 3-star advanced training balls in a box. 40mm diameter, good bounce and excellent spin. Suitable for multi-ball training, schools, beginners, table tennis robots, and other training balls. Specifications: Material: Plastic Color: White / Orange (optional) Diameter: 40mm / 1.6in Weight: Approx. 3g / 0.1oz Package Size: 14 * 11cm / 5.5 * 4.3in (D * H) Package Weight: Approx. 100g / 3.5oz Package List: 24 * Table Tennis Ball Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin