... Eco-friendly, 4) 100% raw material KC358 Zinc Alloy Japanese Keychain....1) No limited in quantity2) Custoimized size and shape3 ... mirror,hat clip and so on,which are mainly made of copper,iron,aluminum,zinc alloy,tin as the ... . Durable;2. never rusty;3. 100% raw material made;4. cumstomized design are welcome;5. good after-sale ... Sincere serviceThanks for your interest KC358 Zinc Alloy Japanese Keychain