Plastic bottle cap18/410 Describe: 1.Specification:18/410 2.Discharge rate:21*19(h)mm 3.Material:pp 4.Color:any one is ok 5.Accept custom order Advantage: 1.High quality,the competitive price 2.Sampls can be provide free 3.Many years of producing experience 4.Usage:chemical,health,medical,food and household 5.Surface processing:UV/Hot stamping/frosting 6.Logo engraved 7.Packaging:carton package.