The Vevor inflatable bumper balls 2-pack is designed for active outdoor fun with bouncing, rolling, flipping, and bumping gameplay. Made from thick 0.3 mm PVC, these bumper balls feature anti-explosion construction, integrated soft handles, and adjustable shoulder straps for a more secure fit. They are suitable for players approximately 48" to 75" tall and 110 to 330 lbs. The set is ideal for backyards, parks, beaches, playgrounds, and other recreational spaces. A repair kit is included for convenient maintenance, but an air pump is not included.