The GAMMA Pink Bag-O-Balls contains 12 Pressureless Practice Balls in a reusable polyester mesh bag with drawstring for easy carrying. The Bag-O-Balls is a very popular item among teaching pro’s, students and avid players. With every purchase of Gamma Pink Bag-O-Balls, Gamma makes a donation to Tennis Against Breast Cancer to fundraise for a cure. Support the cause!