Bump Ball, a set on Flickr.
Via Flickr:
This is a popular sport named Bump Ball game, sometimes use for football or soccers. The players wear the bump balls, and close the belts well, it can protect the whole body not getting any hurt during the play. In the meanwhile, the players want to get the football and collided with each other, then they will find their balls bump others’ balls, even fall down, the ball will bounce back on the ground, but the person inside is always safe and very funny. If you like sports, if you want to try this kind of game, do not wait and take it! More balls for more people playing together will be more funny.
More Info: Bump Ball
QIQI Inflatable Toys 