... waterproof * Be used for made bag cooler support .... What is neoprene:Neoprene is a kind of synthetic rubber via foam treatment, if ... change the component,will cause different specification,Neoprene series:CR series: 100%CR Used for diving suits, surfing suits, etc ... , bags, and sports goods SBR series: Used for fishing wader and boot Neoprene description:1. Width: 51" x 130",51''*83'',56 ...