Designed for clubs and academies, Wilson Triniti Club 72 Balls help players and coaches place balls directly into baskets. The ball core integrates a unique plastomer material that extends fresh ball feel, while STR felt provides durability and flexibility. As a result, these balls maintain enough liveliness despite being out of a pressurized can. With innovative technology and sustainable packaging, Wilson Triniti Club 72 balls set a new standard beyond the court. Eco-friendly 72-ball master carton eliminates need for individual sleeves. Engage Core integrates plastomer material that maintains fresh ball feel 4x longer than a standard core. STR Felt is 50% more flexible than standard felt for more feel at contact and provides durability. Designed for players and coaches to place balls directly into baskets at clubs and academies. Important Note: Though these tennis balls may say "Club on them, the Wilson Triniti is approved for USPTA use.