The Dunlop Uni Squash Ball a larger, slower ball, perfect for players of all ages and skill levels. It’s great for coaching, family games, or beginners, offering more time to react and keep rallies going. Play, Fun, Coach. Larger black ball for easy rallies, learning, and enjoyment at any age. Enjoy squash at any age or skill level with the UNI BALL — a larger black ball designed for universal players, including children, beginners and adults. Its slow, forgiving bounce gives everyone more time to react, keep rallies going, and develop basic squash skills. Perfect for coaching, family games, or relaxed social play.