drink metal coasters for bars 1. Material: aluminum, zin alloy etc. 2. Size: 90mm 3. Weight: 30g 4. Tech.: stamping 5. Design: OEM 6. Sample time: 5 days 7. Lead time: 10 days 8. Packing: 1pc/opp,500pcs/ctn,carton size:38x31x28cm,G.W.16.5kgs For more info,please feel free to contact us.