Don't loose those keys and get stranded! The Floating Neo Keychain keeps your keys on the surface if they happen to go in the drink. Will float the equivalent of three keys, about 1.4 oz. Easy to spot red foam filled neoprene. Please test before using, all keys are not the same weight.FEATURESClosed cell foam filled neopreneFloats keys for boats, PWCs and other water craftVisible, bright red with black split ringFloats 3 keys, 1.4 oz (40g)Test floatation in shallow water before heading offshore