Product size: ball diameter is about 6.3cm, elasticity is about 1.4m, wire length is 4mProduct color: yellow + blackProduct material: Felt shell + high elastic rubber linerdescribe:1. Super elastic, no restraint, 2.5m free landing, more than 1.4 elastic rebound quickly, no trouble of picking up the ball2. Use with tennis anywhere, suitable for beginners to learn the important movements of the racket3. The hair color is white, the hair is loose and strong, the fibers are dense and uniform without showing the bottom, the spherical surface is free from moths, and the glue seam is firm and not cracked4. Hard rubber, the new upgrade has better elasticity and the felt material is strong and durable, not easy to burst and more durable5. The operation is simple and easy to use. It can be used directly by tying the rope and knotting.Package: 2* Tennis",