Colourful Puzzle Cube Hard Enamel Keyring/Badge, Escape Room, Rubik's Active Fun and quirky keyring designed by an escape room enthusiast and puzzle lover! Keyring details: Type: Hard Enamel Material: Nickel Sizes: as displayed in images Please allow for minor variations in colour due to picture and monitor resolution - Items are not sent via tracked post. However, the shipping method can be upgraded to registered post (includes tracking number) at the checkout.