Our water balloons feature the latest unique magnetic quick self-sealing technology, which means the water balloon fills quickly in just one second when immersed in water, no tying hassles about filling the balloons.Magnetic water ball after filling with water, a gentle touch out of the water, save time and effort. Ideal for water fight games, pool toys and games, pool floats, beach parties, floats, party favors, family events, ceremonies, carnivals, birthday parties, indoor and outdoor tossing games, great for family and friends summer game activities.