... 2 colors. * ISO9008, QS approved factory *one track zip lock poly bag* LDPE materials* Printing can be 2 colors.* ISO9008, QS ... : 1. High quality and competitive price. 2. International advanced production equipments. 3. Each inquiry will be consulted carefully. 4. ... , Zip lock bags, Grip seal bags, poly bag, garbage bags, anstatic bags etc. Below is the overview of our factory. printed zip lock bag