alloy, and and , not easy to break. Wide Application: Perfect for handmade handcraft works necklace bracelet, , Keychain, keyring sweater chain anklet cellphone cap shoe bag decorative accessories . Great for your boyfriend, lovers, father, , or yourself to create unique eye-catching lucky chains, punk or cosplay costume. Alloy Pendants only,other accessories in the picture is not included. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.