1) High quality tennis balls with different grade 2) Diameter: 2.5 inch 3) Bounce: 120 - 130 cm 4) OEM tennis balls with logo Features:1) Various grade & colours of high quality tennis balls for game, training and play2) Suitable for player, trainer and beginner3) Product size: 2.5 inch diameter4) Materials: rubber & felt5) Bounce: 120 - 130 cm6) Weight: 58±2 g7) Different colours can be produced ...