Ideal for longer play on hard court surfaces

Propylene Glycol

including passing shots

blinding ball speed

State of the art touch button control panel comes standard with an LCD screen

Wilson US Open High Altitude 24 Cans Grip Size_4L - 4 1/2" Ideal for longer play onWilson US Open High Altitude tennis balls go above and beyond to meet the demands of top players in the world. These premium tennis balls offer unrivaled consistency, making them the trusted choice at the US Open for over 40 years. If you want to play like the pros, choose the Wilson US Open High Altitude tennis balls! Ideal performance on surfaces above 3,000 feet. ITF and USTA Approved Official ball of the US Open Made with premium woven felt. Eco