1. DURABLE MATERIAL Boxing ball is made of high performance PVC material, which has excellent wear resistance and impact resistance. It can maintain stability even during intensive use, ensuring and performance in long term use. 2. Height adjustable design The punching balls is equipped with a flexible height adjustment function. The height range for children is 120 135 cm and the height for adults is 135 155 cm. It meets the needs of different ages and provides a personalized training experience. 3. Comprehensive training function Punching ball is not only suitable for strength and boxing training, but can also effectively improve the user's hand eye coordination and reaction time. 4. Easy to install Boxing reaction ball is equipped with a suction cup base, it can be adsorbed to the floor with one click, providing stable grip and is suitable for smooth and flat floors such as wooden floors/marble/ceramic tiles.