... roller 2011 water walking roller for kids,inflatable water roller,hamsters water ball In comparison with water ball,there ... players inside can breath free, no time limitation for play.2)donot need blow up each time ... up, blow next time several days later. Description for this water roller: 1.Size: 2.4L*2 ... ,patch). 6.Application: ramp, grass,snow,water, sand 7.Delivery time:7-10days More you order, better ...