Detailed Product Description * Waterproof, tide proof, air proof and non-poisonous zip bag ;* Easy to open and easy to close;* Available in customers' designs, size range: 4(width)×6(length)cm to 40(width)×50(length)cm;* Printing up to 4 colors ( non-printed is also ok);* Used to pack food, medicine, medical apparatus, electronic products, cosmetic, handicrafts and so on;* Suit for supermarkets, ...