The rubber ball is designed for high-intensity training and is nice for exercises. Its hollow design allows for better control and maneuverability, while the high elasticity provides excellent bounce for effective training. Made with durable rubber material, this ball is built to last and withstands wear and tear, making it suitable for long-term use. Features -Color:Black -Material:Rubber -Size:5.50X5.50X5.50cm/2.16X2.16X2.16in -With elasticity: This rubber ball boasts high elasticity, providing a bounce for effective training -Unique Design: Designed for professional athletes and trainers, this wall ball is nice for improving reaction skills and hand-eye coordination -Lightweight design: The hollow design of this ball makes it lightweight and easy to control, nice for indoor and outdoor use -Versatile design: Suitable for both adults and children, this is a versatile training tool -Durable material: Made from durable rubber material, this ball is built to last and withstand even the toughest training sessions Package list: 4 x rubber balls