Upgrade Inflatable Bumper Balls BLAOYOO bumper ball inflatables is more stronger and durable, the 2 pcs bumper bubbles is made of high quality and thickening 0.9mm PVC materials, to ensure that you can use it for a long time. Designed for Adults The 2 pack bubble balls weight to 240 lbs, which suitable for a wide range of age groups and fitness levels, both adults and youth can enjoy to bounce, flip, roll over and bump together freely. Ergonomic Safe Design Human bubble balls comes with 2 ergonomic handles to let user tightly grab it to stay inside; 2 adjustable shoulder straps to relieve shoulder pressure; The giant hamster ball will give you enough protection. Easy to Inflate You can inflate and deflate the human hamster ball with an electronic air pump a compressor or air mattress pump within 5 minutes. (The pump is not included.) Perfect for Birthday Parties Perfect 2 pack bumper balls to celebrate you and your family birthday party! (Tips: please remove any sharp objects before using the bumper balls.)