Made of 08mm ultra thick PVC , nontoxic, odorless, has excellent tear resistance, long service life. Inflatable bubble bumper balls feature 2 comfortable handles and 2 adjustable shoulder belts, double protections guarantee your safety during playing. Easy to inflate in minutes. Can be easily inflated by electric air pump(Pump is not included). Premium valve is tightly sealing and keeps air inside. Bubble ball is easy to carry and store, since it can be easily deflated and folded into a small piece. Feel free to put it in your trunk. Suitable for kinds of places with no sharp objects, such as park, school, beach. 1.5m dia balls suit for adults above 1.6m/5.2ft, 1.2m dia balls for children from 1m/3.3ft to 1.5m/4.9ft.