Ziplock bag (also known as dense bags from any bag, seal bag, bone bag, in English: ziplock bags, reclosable bag, zipper closure bag, resealable bag) to polyethylene (LDPE) made of a sealed bag, is a kinds of green products, tough and durable, reusable, can be printed ads, logos, do refrigerator storage bag, use a long period, ziplock bag: mainly used for packaging, storage of food, jewelry, pharmaceuticals, cosmetics, frozen foods, stamps, etc. etc., moisture, water, pest control, to prevent things scattered, from the inductive effect, to the buyers specifications neat image, but also can be reused, the touch will be tightly sealed, non-toxic tasteless, good flexibility , sealing free, very convenient.