customized metal o ring 1.Material:,steel ,copper,etc 2.Strict QC with factory price 3.Application:bag ... - 6mm 4)MOQ:5000pcsFeatures:1) The material: zinc alloy, copper ,iron2) Customers' design and samples are welcomed3) Competitive price and fastest delivery4 ... used in garmrnt and bagsOnce we get your samples or design drawing ,we will make you an offer ASAP.We are ...