Three side sealing packing bag is a three side sealing bag, with only one opening reserved for the user to load the product. Three side sealing is the most common way to make bags. The air tightness of three side sealed bag is the best, and the bag must be made in this way.

Among the good-looking three side sealed bags, there is a self-supporting bag and a self-supporting bag with zipper. This bag is a relatively new packaging form, which has advantages in improving the product grade, strengthening the visual effect of the shelf, portability, convenient use, fresh-keeping and sealability. The self-supporting bag is made of PET / foil / PET / PE structure lamination. It can also have 2-layer, 3-layer and other specifications. Depending on the different products in the package, it can increase the oxygen barrier protection layer according to the needs, reduce the oxygen permeability and extend the shelf life of the product.

The main products suitable for trilateral sealing bags are composite packaging bags for daily necessities, composite packaging bags for cosmetics and composite packaging for toys Bags, gift composite packaging bags, metal composite packaging bags, clothing composite packaging bags, shopping malls composite packaging bags, electronic products composite packaging bags, jewellery composite packaging bags, and vacuum nylon bags, rice bags, vertical bags, zipper bags, aluminum foil bags, tea bags, candy bags, powder bags, rice bags, cosmetic bags,mask eye mask bags, medicine bags, pesticide bags, paper plastic bags, and so on. Irregular bag, anti-static bag and other products packaging. Three side sealing bag has good barrier, moisture-proof, low heat sealing, high transparency, and color printing color of 1 to 10 colors.

With the development of society, the improvement of people’s aesthetic standards and the intensification of competition in various industries, the design and printing of self-supporting bags have become more and more colorful, with more and more forms of expression. The development of heteromorphic self-supporting bags has the trend of gradually replacing the status of traditional self-supporting bags. Our production technology of this bag is quite mature, and we can provide you with the best solution!