Different shapes of flexible plastic bags

There are varies shapes of plastic bags in the world. When you need some of them, how to make choice about the shapes ?

1. 3-side sealed bag

3-Side Sealed Bag, also known as flat pouch, is one of the most economical and easiest packaging options. It is commonly used for packaging food, snack, toy, tea and so on. Because of its flat shape, the bags can be stacked in a pile easily and most retail stores take this advantage to minimize the shelf space using. This style of bag provides large front and back display area for label placement. Its strong side seals offer the best sealing strength among all types of bags, therefore it is considered to be a very good option for vacuum packaging as well as heavy duty packaging.

2. Back Sealed Bag

Back Sealed Bag, also known as Pillow Bag, is another economical and easy packaging solution. Similar to 3-Side Sealed Bag, they are easily stacked up in one pile to minimize the shelf space using. Sealing at the back allows the image or content to be continuously printed from the front to the rear of the bag. This provides a side view for the package. Consumers are able to view the images on the side while the bags are stacked up. Back Sealed Bag is widely used for packaging bean, rice, powder, and confectionary.

3. Gusset Bag

Gusset Bag is widely used in coffee and tea industry. The rectangular shape with either quad-seal (also known as corner-sealed), center-sealed and side-sealed options provides 3-D appearance to make the package more dynamic.
Center-Sealed gusset bag has a center seal at the back of the bag which creates a hand grip place for bag opening. With easy open material, this style really offers an effortless bag-opening feature to consumers.
The Side-Sealed gusset bag has the seal hidden on the edge at the back of the bag. The printed area on the back significantly increases once the seal is moved to the side. It allows the design to flow around the entire bag.
Quad-Sealed gusset bag reinforces the shape of bag with its four corners sealed. It provides a cube shape look while sitting on the shelf.

4. Stand-Up Pouch

Stand-Up Pouch becomes popular in most of retail stores and supermarkets. The inserted bottom gusset makes it available to stand up for great shelf display and 3D appearance. The flexible shape and light weight substantially reduce the transportation and storage cost, and minimizes the shelf space using. That is why most retail markets are switching to this packaging style: A great replacement for cans, boxes, containers and other rigid packaging.

5. Spout Pouch

Spout Pouch is well developed flexible packaging style in Europe and Asia. Both Stand-Up Spout pouch and 3-Side Sealed Spout pouch is ideal and reliable for liquid, powder and granulated products. Our spout pouches are designed to replaced bottles and containers with easy pouring features and reclosable spout while remaining economical solutions compared to rigid packaging. Traditional bottles make some liquid sauce product extremely difficult to pour or push out. With flexible body, customers can easily squeeze products out. Moreover, the flexible shape and light weight substantially reduce the transportation and storage cost, and minimizes the shelf space using.

6. R-Bag

R-Bag is commonly used in OPP bag, PE bag, OPP / CPP bag. Because of the special material characteristic, this 3 kinds of bags can be sealed without strong side seals. It could save more packing space with this kind of design. But in case of breakage, retails often use them to pack low-weight products, such as wire, pen, earphone and so on.


7. Wine Pouch

Wine pouch is used for packaging wine, vodka, beer etc. It is similar to spout pouch. The difference is only the shape and placement of spout. After tearing off the protector, customers could get the wine by holding on the top and pulling up the wings. It could close automaticly if you leave it alone.


8. Packing Film

People need packing film only if they has automated packaging machine. They can package their goods and seal the bag all by the machine at the same time. This amazing technology could save a lot of workers and times.


8. Irregular Shape Bag
  All the bags which is not rectangle or square is irregular shape bag. On this occasion, manufacturer could only make the bag according to customer design.

Every shape has its advantages. Please chose the best-fit shape according to your need.