1.material:NBR 2.color:designed by you 3.certification:ISO9001 ,ROHS,FDA 4.mould: by ourselves 5.moq:5000pcs Desprition: Item machined rubber grommets Size customized size Material NBR, Usage use for many field ,including electronic equipment,medicine,machine and so on Color any Price according to your design Advantage have moulding house,and can open tools soonPackingcomply with standard export ...