Four Letter Word Padlock Hard Enamel Pin, Escape Room Pin, Enamel Pin Fun and quirky pins designed by an escape room enthusiast and puzzle lover! Pin details: Type: Hard Enamel Backing: 1 Rubber clutch Material: Nickel Sizes: 35mm (Height) Please allow for minor variations in colour due to picture and monitor resolution - Items are not send via tracked post. However, the shipping method can be upgraded to registered post (includes tracking number) at the checkout.