Premium Quality - Our tennis balls are made from high quality rubber materials, tough & sturdy, with a non woven polyester felt fabric ensuring durability. Convenient - The balls come with a convenient black mesh poly bag, assuring easy & comfortable carrying with no hassle. Excellent Performance - Due to their thicker and tougher rubber, the tennis balls won’t go flat - ensure hours of play on the court. Product Dimensions - 6.45cm in diameter. Weight - 60 grams per ball.