take them to parties, bbqs, or the beach using these inflatable zorb balls is a fun, active family activity. deflate to collapse and easily pack it in a storage bag or your luggage to travel. encourages kids to get outside for fun, healthy activities that develop coordination, balance, and friendly competition. bubble soccer becomes more interesting when users fall, battle, roll against each other and then bounce without any risk of injury to the users. we've participated in school events, church events, corporate events, youth groups, birthday parties, bachelor parties, charity fundraisers, team building events. the bumper ball can inflate or deflate with an electric air pump (not included) in 1-3 minutes.the tpu plug makes tight sealing and keep air-proof..syi