Feature: These balls come in different firmness levels, allowing you to choose the appropriate one for your needs. They are ideal for sharing with family and friends, making them perfect for group use. Raised design: The textured surface of the reaction balls provides targeted massage to help relax muscles and relieve post-exercise fatigue. The design enhances grip and stimulates pressure points during use. Durable material: Made from high-quality rubber, these massage balls are built to last. They are resistant to breakage and deformation, ensuring long-term use without compromising performance. The material is safe and will not irritate skin or hands. Portable size: Compact and lightweight, the balls are easy to carry and store. They fit conveniently in pockets, gym bags, or drawers, making them ideal for home, travel, or on-the-go use. Versatile use: Suitable for use in gyms, training facilities, or at home, these balls support muscle recovery and performance training. They are designed for men, women, adults, and adolescents. Color: Pink, Blue, Green, Yellow, Red Material: Rubber Size: 5.5 x 5.5 x 5.5 cm Package Contents: 5 x Reaction training balls Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color variations may occur due to lighting and screen display differences. Size may vary by +/- 1-3 cm due to manual measurement.