The Tecnifibre Mini-Tennis Bag of 36 is a set of low-pressure learning balls designed for children and beginners. Playing up to 50% slower than a standard ball, they make it easier to learn strokes and enjoy longer rallies, and are ITF/FFT approved for junior development play. • Bag of 36 mini-tennis balls • Plays up to 50% slower for easier learning • Low-pressure, ideal for kids and beginners • ITF/FFT approved for junior stages