Official Size – Every Ball Is Official Size and Weight, Meets Nocsae Standards, Is NCAA and Nfhs Approved, and Sei Certified to Improve Shooting Accuracy and Handling During Practice and Gameplay Multi Count Packs: Choose From a 1, 2, 3, 6, or 12 Count Set to Outfit Players in Youth Gym Classes and Summer Camps, Competing on Collegiate Teams, or Completing Training Regimens to Improve Skills MANY COLORS : Men, women, boys, girls, and children will enjoy the uniquely colorful variety of colored gear available, making every game on the indoor court or outdoor field cool and fun VERSATILE - Use across many platforms to help support health and quality of life, including cross training, and massage targeting of backs. Can even be used for juggling or as a dog toy.