Our professional-grade rebound balls are ideal for players looking to improve their skills. The high-elasticity rubber construction ensures a high bouncing, while the hollow design enhances their performance. These mini balls are easy to carry and store, making them great for . The striking yellow color makes them easy to locate on the court. Features -Color:Yellow -Material:Rubber -Size:5.50X5.50X5.50cm/2.16X2.16X2.16in -Highperformance bounce: the high elasticity of these rubber balls ensures a dynamic bouncing, making your training sessions more productive and fun -Hollow interior: the hollow design enhances the bouncing effect, providing a consistent and reliable performance for all your training needs -Compact and portable: the mini size makes these balls easy to transport and store, can practice your rebound skills wherever you are -Advanced training: these professionalgrade balls are designed to help you improve your reaction times and overall rebound abilities -Bright yellow: the bold yellow color not only looks great but also makes the balls easy to see on the court, adding a visual appeal to your practice Package list: 4 pcs x 4PCS rebound training balls