Product name:rubber grommet Material:nbr , nr , hnbr , silicone , viton , epdm etc. Size:different sizes at customerâ??s request Color:black , read , brown , white , green etc. Also according to the Customerâ??s requirement. Weight:0.01g----10g Moq:about 2, 000 pieces Package:2, 000 pieces in a bag and 1, 000 bags in a carton Daily production:100, 000 pieces Oem is welcomed Detail Different materials have different performance. And we could Manufacturing at customerâ??s request. -