... ,EN71,SGS,En14960 Inflatable Twin Swim Ring 1. Popular two holes ring shape design, fashionable yellow surface, easy to set up ... and take down. 2. Material with best 0.9mm PVC tarpaulin, durable, non-irritating, safe and ... . The design infused mechanical system make it steady, so happy with safe, and more hole, more fun! 6. Other customized sizes ...