For over 30 years has striven to continually improve our Rock® Basketball with advancements in technology and new synthetic products. The Rock® was one of the last balls made with Gunnison leather, and also one of the last balls to be made in the USA.”Over the past 25 years we have used The Rock® for games, all our camps and our clinics. The quality of their products and their service has been outstanding!”Morgan Wootten, High School Coach of The Century. Naismith Hall of Fame 2000 This composite ball feels and plays like leather. Super tacky feel. Reinforced double ply Butyl Bladder for maximum air retention 100% Nylon wound for excellent shape retention and durability. Exclusive patented sponge rubber carcass layer for extreme softness and handling improvement. New Premium Grade Reinforced Composite material for Superior Durability. Scuff Resistant and NO Break-in Needed – Ready For Game Play! Unique Deep Pebble Channel design for best feel and grip. Official Women’s size 28.5 inch circumference.Used by Top Colleges/Programs and Conferences throughout the Country! For Indoor Use Only.For longer life we recommend that you inflate your Rock® Basketball to 7.5-8.0 lbs and regularly clean it with Rock® Rinse to maintain that tacky feel.