Crystal key buckle,It can be used for promotional gifts.Men and women can use it.This product is suitable for company opening, anniversary activities, year-end gifts, advertising gifts, shop opening, shop activities, advertising publicity, annual meeting commemoration, classmate gathering, graduation gifts, opening gifts, wedding gifts, wedding gifts, and other small commemorative gifts customized, can reach the ordinary small gifts not Advertising effect and memorial value, because can be carried with the key, but also expand its own advertising effect.This product is very nice and can be customized logo.