#1 Selling Platform Tennis Ball since 1999  Offered in 3 high visibility colors including optic yellow, fluorescent orange and neon pink  Proven rubber compound provides the softest feel and most consistent bounce  Advanced flocking process provides the perfect surface texture for maximum ball spin and control  Dozen = 4 sleeves, 3 balls per sleeve  Yellow, Orange, & Pink  Mixed dozen = 2 Yellow, 1 Orange, & 1 Pink sleves