The Sport-Thieme double-end ball trains accuracy, coordination, and reaction. The double-end ball is made of high-quality synthetic leather. The package includes tension straps with integrated carabiners, allowing the ball to be easily hung at both ends and to bounce back elastically when struck. Your advantage: The boxing trainer can be filled with air, enabling you to individually adjust the hardness of the ball. By hitting the punching ball and allowing it to spring back and forth, you effectively train your coordination, accuracy, and reaction skills. Area of use: Training. Material of the punching ball: Plastic. Dimensions of the punching ball: 35 x 20 cm. Weight when unfilled: 1 kg. Color: Red-Black.