... /T We mostly do coustomized items.When get original design,we will suggest the best way to make the design into actual good by Moulding ... (material,size,what kind of attachment,color,package and also quantity ) for the item. As to keychain,1)material can be iron,zinc ... ),copper or anti-copper,bronze or anti-bronze,anti-gold and some other metal color according your design3)logo color:can ...