1) 10years export history; 2) OEKO,SGS Certificated. 3).Material:100% polyester fabric + nylon teeth material Specifications: 1.Item: BS zipper2.Size :3#,5#,8#,10#,20# resin zipper2.Type:O/E,C/E,Two ways open end,Two ways closed end3.color:Various color4.Packing: Carton and woven bag or PP bag High quality and reasonable price, welcome to contact us.