Improved Reaction Ability: This reaction ball set is perfect for improving your reaction and hand-eye coordination. By training with the different balls – black (light), yellow (tennis ball) and red (heavy) – you challenge your brain and your reflexes in different ways. Use this kit for boxing training, martial arts, or just to have fun and improve your overall reaction speed. The adjustable headband makes it easy to adjust the fit for optimal comfort during your workout. Perfect for both beginners and experienced athletes who want to take their training to the next level. Regular use can lead to faster reaction times and improved precision. Versatile training: This set offers a versatile training experience thanks to the three different balls with varying weights and properties. The black ball is light and fast, perfect for practicing quick reflexes. The yellow tennis ball gives a more traditional feel and is great for training precision. The red, heavier ball provides extra resistance and helps build strength and endurance in the neck and shoulders. Use this kit for a complete workout that improves your reaction, precision, and strength. Perfect for boxers, martial artists, and anyone looking to improve their physical and mental performance. Safe and comfortable: The reaction ball set is designed with your safety and comfort in mind. The balls are made of soft PU material that minimizes the risk of injuries to the face and eyes. The elastic cord is strong and flexible, providing a safe and comfortable workout. The adjustable headband is made of a soft and breathable material that keeps you comfortable even during intense workouts. You can focus on your training without having to worry about discomfort or injury. This set is a safe and effective way to improve your reaction and hand-eye coordination. Specifications: Color: Multicolor Size: Ball: 6 cm high, 6 cm long