Feature:1. Premium Material: These kids tennis balls are made from premium plush and natural rubber material, which ensures flexibility and long service life.2. Light Weight: These kids tennis balls features light weight and soft hand feel, and softness and elasticity are ensured.3. 50% Pressureless: The pressure of these kids tennis balls is 50% lower than adults tennis balls, which is very safe for kids.4. Kids Training: Waterproof outer layer combined with thick plush, adapt to different humid and cement field, suitable for children training/teen training.5. Unique Design: These kids tennis balls are a great choice for use when instructing children or adult beginners on the fundamentals of tennis.Specification:Item Type: Kids Tennis BallsMaterial: Rubber and Plush.Package List:6 xKids Tennis Balls