Wilson Starter Red Tennis Ball Bag of 36 Balls Brand_Superfeet have aching arches or require

have aching arches or require more arch support

Unlike cones

Superior feel

Finishing tape included

Solid Core Synthetic string

Wilson Starter Red Tennis Ball Bag of 36 Balls Brand_Superfeet have aching arches or requireWilson's US Open Red Balls are low compression balls with a larger size making it easier and more fun for beginning players to learn the game. These balls are designed for Stage 3 Red and are ITF & USTA approved. Ideal for a 36 foot court and players 8 years old or younger. The ITF's Play & Stay and USTA's Quickstart initiatives are based on children using the right sized racquet and reduced speed balls on smaller courts suited to their size and age.