Size: 6.5cm x 3.5cm/2.6" x 1.4"(appr.) There haven't key because it's the swear about eternal love. Back side: Blank Color: Golden Front side: Double Heart Logo 100% Brand New and high quality. Material: Solid Brass The custom has it that two lovers a lock provided with your name and will fix this lock on a fence or bridge. A great Valentines Anniversary Gift for lovers. Notice: Please allow 1-3mm error due to manual measurement andmake sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures. (Locks one time only, there is no key!)? Package included: 1 pc Love Lock