... British reporter to visit London to demonstrate the ball on a lake. As soon as he attempted to ... good air pump. Some models also have hand grips on the inside or outside, and the surface can ... smooth, well-balanced, no scab, no leak.lD rings on bottom sides of each inflatable for fixtion and carrying, ... inflatable that higher than 4m, there is tie down on the top parts of all sides.lCE/UL certificate ...