Wilson US Open tennis balls for great performance and durability on all surfaces, 58/59 grams average weight, 65 mm diameter, with special quality rubber and Felt from Tex Tech industries. The balls are numbered for identification. ( Balls feel hard, heavy and solid, not recommended for beginners ) 4 balls for £8.00. 8 balls for £14.00. 12 balls for £22.00. 72 balls for £120.00.( 6 dozen )
