Blind box self-supporting packing bag

The blind box self-supporting bag and the general form of self-supporting bag adopt the form of four edge sealing, can not be closed again and repeatedly opened. This stand - stand bag is commonly used in industrial supplies industry.

Blind box self-supporting packaging bags are easier to dump or absorb contents, and can be re-closed and re-opened. This kind of stand - stand bag is commonly used for packing daily necessities.

According to the packaging needs, on the basis of the traditional bag type to change the shape of the new stand - up bag, such as waist design, bottom deformation design, handle design, etc. At present, the main direction of the development of stand - stand bags.

Self-contained zipper bags in blind boxes can also be resealed and re-opened. Because the zipper form is not sealed, the sealing strength is limited, not suitable for packaging liquid and volatile substances. According to the different edge sealing way, it can be divided into four edge sealing and three edge sealing. Four edge sealing refers to a layer of ordinary sealing edge outside the zipper seal when the product package leaves the factory. To use, you need to tear open the normal sealing edge and then repeat the seal with a zipper. This method solves the disadvantages of low sealing strength of zipper which is not conducive to transportation. Three edge directly with zipper edge sealing, generally used for containing light products. Zipper stand stand bags are commonly used to pack light solids such as candy, cookies and jellies, but four-sided stand stand bags can also be used to pack heavy products such as rice and cat litter.