It is Stainless Steel, smooth and . It is hypoallergenics and will not irritate the skin. Unique Keychain as valentines day gifts,christmas gifts, gifts,birthday gifts,anniversary gifts,friendship gifts. Each keychain has a metal rings for connecting keys or other accessories. A unique accessory for organizing keys or hangings on bags, wallets and backpacks. The souvenir keychain with map of Algeria is very suitable for anyone who wants to Algeria.