Our material is stainless steel,Stainless steel is a great choice for jewelry as it is hypoallergenic, does not rust or tarnish and is very durable so you can treasure your keychain for a lifetime!Best friend keychain. Engraved with the words Side by side or miles apart friends are always close at heart keychain gifts for your best friends female.Moral of the keychain: Be sisters forever, apart maybe in distance, but will not change in heart, they can represent romantic feelings towards you and your friends or sisters.Friendship gift. No matter