The STIGA Outdoor Table Tennis Balls multi-pack includes 4 white high quality, water resistant, heavier than normal table tennis balls that minimize wind resistance. Crafted from high quality ABS material, these STIGA outdoor balls are the leading outdoor ball in the market. Their seamless, perfectly round design means these superior outdoor table tennis balls offer consistent bounce and spin and are long lasting. This multi-pack is perfect for practice, parties, or family fun.