A life preserver is a piece of equipment designed to assist a wearer, who may be either conscious or unconscious, to keep afloat. Preservers are available in different sizes to accommodate variances in body weight. Designs differ depending on wearing convenience and level of protection. ? This keychain is replicated after the personal floatation device that helps save lives day in and day out. ? Our beautifully handcrafted Brass Life Preserver Keychain is made of 100% real brass that comes on a brass chain with a screw lock carabineer. Now you can keep all your keys in one place or this keychain makes a great gift any nautical enthusiast.