1.plastic tube cap 2.to fit 16-17mm ID,19mm OD tube ... 3.Material.PE 4.Color:black 5.different dimensions are available Product Name:plastic ... wheels,electronic enclosures,automotive parts,household plastic , industrial plastic Material:ABS,PP,Nylon,PVC,POM, ... -molding,prototyping)Manufacturing Ultra sonic welding Plastic decoration Customized packing Installation Warehousing Qualification: ...