Official Ball of the US Open

Exclusively deisgned for squash

shielding your heel against that unforgiving force called gravity

TNT2 processing enhances playability

and lock closed to hold balls during transport and storage

Dunlop Stage 2 Orange Training Ball 24 Cans String Type_Polyester Official Ball of the USDunlop Stage 2 Training Balls are ITF Approved for Stage 2 tennis. These tennis balls are designed to move approximately 50% slower than a standard tennis ball with a lower compression and lower bounce, making the ball easier to hit for beginners of all ages. Dunlop Stage 2 Training Balls are ideal for: USTA QuickStart Tennis: 60 Foot Orange Level. ITF Play and Stay: Stage 2 (Orange).