1) Materials:  zinc alloy,  or depend on customer's requirements
2) Size: Different size in available
3) Plating: . electrodeposit
4) Processing:  embedded with crystal stones . Mainly depend on your design.
5) Logo: Can be made as client's requirements, for example synthetic enamel, soft enamel, cloisonne, laser engraving, silkscreen and offset printing etc.
6) Attachment: Key ring and chain, leather string etc.
7) Color reference: Pantone color chart
8) OEM and small orders are mostly welcome.