Hamster ball in water

What is human hamster ball for water?
As the name suggested, human hamster ball is a hamster ball which is suitable for human being size on the water. You must have seen a hamster playing in the hamster ball, which is full of joy and happiness. Human hamster ball game is almost the same case. The difference would be the bigger ball for a human. People can run, walk, lay or do tricks inside the ball, as long as refresh the ball for new fresh air every 20 minutes, since the human hamster ball for water is waterproof and airproof. People can play water walking ball in the swimming pool, pond, lake, or Oceanside.