WITHOUT KEY: Heart lock doesnt have keys and can only be locked once. That is the point of this Love Lock. You can lock it someplace permanently and you can put such locks as a memory DURABLE MATERIAL: Love padlock is made of aluminum, smooth surface, rust-proof, durable and the plating color will not tarnish and fade, which symbolize your love will never change MULTIPLE OCCASION: Perfect to leave a love lock heart padlock in tourist attractions such as fences, Wishing tree or Acacia Bridge. Locked them in various locations to celebrate special days PERFECT GIFTS: Pink heart padlock is a perfect gift. Perfect for your trip to Paris, visit Pont des Arts, the bridge of art or better known as Paris Love Bridge or The Bridge of Kisses SIZE INFORMATION: Single heart wish lock measures approx. 4.7*9.5cm/1.85*3.5inch. The pink color is very classic and pretty. Come with a stopper to prevent the lock from locking