The quality of the ziplock bags on the market now is very good, the price is not expensive, and the custom-made ziplock bags are supported, and they basically have a waterproof effect.
Ziplock bags are environmentally friendly and ventilated materials that are easily decomposed in the natural environment. Generally, factories use this product directly. The general printing process includes silk screen printing or offset printing, and these two printing processes have no special changes to the ziplock bag. In the case of environmentally friendly ink printing, the ziplock bag is washed with water to clean the printed pattern. The peritoneal film is a different production process from silk screen printing. Its characteristic is that the printed pattern can achieve photo-level effects and can also print various complex color patterns. The surface is covered with PP film, the firmness of the ziplock bag has been greatly improved, and it can play the characteristics of waterproof, and the printed pattern on the surface will not fade due to washing. So actually, what it does is this peritoneum.
Those environmentally friendly ziplock bags we usually use can be waterproof without fading the pattern, and most of them play a real role in it. Mainly product packaging, food, jewelry, medicine, cosmetics, frozen food, postal products and other moisture-proof, waterproof, insect-proof, its advantages are low price and wide range of uses.
