1. Mobile phone straps 2. Zinc alloy material 3. Size: 20*7*100mm (diameter*thickness*length) 4. Gold, chrome, nickel, antique plating, etc.. 5. More models with different designs are available 6. Packing: PP bag, then in carton box 7. Custom made is ok andwelcome 8. Trade term: FOB Shenzhen 9. ISO 9001:2000 quality management certificate