1) Non-toxic,eco-friendly materials; 2) EU & US standard; 3) Can design your ... . Can do various of plating effects you like 2. Shape only for presentation, can customize your own ... keyring, keyring metal, metal keychain, keychain metal, metal key chain, promotional keychains;crystal keychain, custom keychain, car ... iron copper Size4.5cm Logo can make crystals with logo, logo in printing, zinc alloy 3D ...