Restube buoyancy aid this restube buoyancy aid is your safety backup for all kinds of water sports due to its small size and light weight it can be worn around your waist regardless of what you are doing and where you are if necessary pull the trigger and the buoyancy aid inflates perfect for the use in open waters buoyancy aid reusable inflatable co2 cartridge inflation use in open waters ages 10 not to be used as a personal floating device no substitute for li