<b>Warm Tips:</b><br><br> 1. Do not over-inflate the bumper balls or inflate it under high pressure. Immediately fill the air valve with a provided plug when you inflate it to 80%.<br><br> 2. It’s normal that inflatables bumper balls are likely to Air leakage slowly. Please deflate the product, fold it up and place it flat in a place free from friction or sharp objects if it won’t be used for a long time.<br><br> 3. This bumper balls can be rinsed by water if it is stained.<br><br> 4.Deflation: Open and squeeze the air valve to deflate the air inside slowly and naturally or insert a slim object to keep the air valve opened. Be careful to not penetrate the ball to forcibly deflate the air. After that, fold up the bumper ball carefully.<br><br> 5. It can bear no more than 80kg.<br><br> 6. Please press the air valve down after inflation to avoid leakage during bumping.