Champion Sports Practice Sponge Lacrosse Balls (dozen) Perfect for practices or beginners, the Champion Sports Soft Practice Lacrosse Ball is made of a soft sponge that feels like a regulation lacrosse ball. This practice ball will help your team get started with the sport, won't mar floors or indoor surfaces. Description: Designed for indoor training and practices Soft sponge indoor & training Similar weight and feel to a regulation lacrosse balls Sold as a Dozen