1. Material: 316L stainless steel, TA2 titanium can also available Nickel-free and lead free! 2. Finish: High polished 3. Plating: Carbon Fiber ( Can insert 4. Dimension: Size avaliable 5. Magnets: Can insert the magnet into the ring 6. Packaging: Polybag/OPP bag (inner) + carton (outer) 7. Minimum order quantity: 50PCS/per size, 200PCS/per design OEM/ODM orders are welcome! 8. Lead time: 25 to 30 days sinces confirming the order 9. Price term: FOB Shenzhen 10. Payment term: T/T or Western Union ( 30% deposit to confirm the order, and pay the balance before shipment) 11. Stone: CZ Stone ( The color of the CZ Stone is avaliable. )