A skeleton key is the ancient version of our current master keythey can open warded locks, giving the notion that they can open doors to places that are inaccessible. They are now only used in old homes and antique furniture. Very beautifully crafted, many collect them for their symbolism. Therefore, in the wedding world, decorative keys are very popular as favors and props. This pair of small Vintage Heart Skeleton Keys serves as a touching gift for your bride and groom; representing their binding contract of love. Consider making these into jewelry! Its heart aperture makes looping any kind of string or material incredibly simple! Giving one of these keys to another is representative of giving that person ownership of your heart. These deep charcoal gray, antiquated keys are actual representations of vintage keys, made to look worn and aged. Made of metal. Suitable for indoor and outdoor use.