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The doy pack bag is a flexible vacuum bag with a bottom that allows it to stand upright. Doypack packages can be used to pack a huge list of products like liquid and pasty, loose and dusty (tea, coffee, candy, dragees, animal feed). Zipper bags are very convenient to use.

What is a doypack stand-up pouch?

This type of package has gained its popularity due to its practicality and strength. The dense packaging material can bear mechanical stress, and the light weight ensures advantages over aluminum and glass containers.

Doy pack stand up pouch

Package materials

Doypack bags are made of polymer materials (polyethylene, polyethylene terephthalate) and are resistant to chemical and mechanical stress, and  suitable for use as packaging for food products.

In addition to the traditional polymer packaging, kraft-based bags with internal or external surface metallization (coated with a layer of aluminum foil) began to appear on the market shelves. A wide range of models have expanded on the packaging market, giving consumers a choice of factories.

Package modifications

Ready-made doy packs can be modified, and in addition to the standard sealing, the stand-up pouches can be equipped with zip locks and handles. The zip closures ensure convenient use of the product.  It can be stored in a bag, opened and closed repeatedly. The presence of handles makes the package convenient for a potential consumer. It helps to ensure easy carry of the package after buying it.

The most common options for modifying packaging are the following:

  1. Tear notch

Tear notches are small notches on the top of the bag that make it easier to open the package. Notches are applied to the longitudinal side seams or to the transverse seam. Most often, 2 cuts are made on both sides so that the package can be opened from either side. The notches allow both to open the bag completely and to create a narrow opening, which can be convenient when using thick and creamy products.

  1. Euro slot

A euro slot is a special hole that is made on the wide seam of the package. It allows products to be stored in a suspended state on sales counters, saving space on the shelves.

  1. Punched hole

Unlike the previous options, a small hole is located not on the seams of the doy-pack, but on the pouch itself. The hole serves as an air outlet (allows you to remove air from the package) and is used in packages for herbs and vegetables.

  1. Notch on hand

A notch on hand is a rectangle hole with smoothed corners acts as a handle. The hole allows the product to be carried by hand. This type of hole is often used on doypacks with frozen products.

  1. Notch on fingers

Three round holes are located on the wide seam of the bag. It serves as a handle and ensures comfortable carrying the bag in a hand. This handle format is used on doy packs with heavy products (weight more than 3 kilograms) like washing powders, fillers etc.

Special fasteners and opening ways are widely used in doypacks. There are have following types of opening:


A zip-lock is a plastic zipper-shaped lock consisting of two pieces of tape. One of the straps is fixed to the other, providing a strong grip. The presence of a zip-fastener on the package allows you to open and close it many times. The zip-lock fastener ensures complete safety of the product from spilling out of the bag, and also prevents entering dust and dirt.


The spout is a kind of a simple dispenser allowing you to use a limited amount of product. The spout is a tube with the cap that is fixed to the top of the doy-pack pouch.

 Doypack filling and sealing process:

1) Charging the pouch

2) Opening

3) Air blowing

4) Product dosing and filling

5) Bag tensioning

6) Sealing

7) Ejection

Doy pack