Flat Bottom Pouch Ultimate Guide

1. What is a Flat Bottom Pouch?

A Flat Bottom Pouch is a bag with a flat bottom, so the bag has five sides in total: front, back, left, right, and bottom. This is a unique type of pre-made bag featuring five printable surface panels for shelf branding. It is more shelf stable and easy to stack, providing convenience to retailers and consumers.

Other names: Flat Bottom Pouch, Flat Bottom Pouch, box bottom bag, box bag.

Nowadays, with the further development of the market economy, when the public purchases products, they are more and more developed from two aspects of practicality and appearance. Therefore, in order to attract more consumers’ attention, brands have made various efforts on packaging.

As for packaging bags, Flat Bottom Pouch are becoming more and more popular among the public. It can be called “one of the best” in the packaging market. It has won everyone’s love on its own merits. Of course, its manufacture and design are a bit more complicated than ordinary bags.

Today we will introduce to you what is a Flat Bottom Pouch.

2. How are Flat Bottom Pouch made?

Custom flat bags are a very serious business. There needs to be a process in place to ensure quality and productivity. In this way, we can better supply Flat Bottom Pouch to customers.

• 1. Flat Bottom Pouch customization process: Confirmation of basic bag information: These characteristics include bag material, thickness, bag size and bag type, including zipper information, which should be known before customizing all food packaging bags

• 2. Art design: Art design is very important for brand building. There are 5 sizes. Front, Back, Left, Right, Down. It would be even better if you can design on all 5 sides. This way you can display more information on the bag.
• 3. Printing plate making. Plate making is directly related to the color printing effect of Flat Bottom Pouch. If you want to make a beautiful packaging bag, you must make a beautiful printing plate. Plate making is based on design drawings, and the number of printing plates is also based on drawings.

Note: The printing plate is suitable for gravure printing. Without flexo printing.

• 4. Printing: Printing is very important in the production of Flat Bottom Pouch. Print quality is closely related to the quality of the final bag. We will be printing on a printed film layer.
• 5. Lamination: Flat Bottom Pouch usually have more than one layer of film. Therefore, we laminate 2 or more layers of film together.
• 6. Aging: After lamination, the strength of the film is unstable and cannot be used immediately. It needs aging. Generally put it in a constant temperature aging room for 24-48 hours, so that the moisture and solvent in the viscose can be fully evaporated and dried.
• 7. Cutting: Then we need to cut the film into the size we need and prepare to make bags.
• 8. Bag making. We will use an automatic packaging machine to make Flat Bottom Pouch. This machine is bigger and more expensive than side folder bag machine and Flat Bottom Pouch machine.

3. Advantages of Flat Bottom Pouch

There are many advantages of a Flat Bottom Pouch

 which is why it is so popular in the market.

1. Superior stability
The Flat Bottom Pouch has better stability than other bags. Its bottom is a completely flat side. Especially when full of product it stands up nicely. Whether it is transportation, shelves or consumption, it has brought great convenience to all of us.

2. Better sealing strength
There are 8 heat seals in total, which means all sides are sealed together. With a seal width of 5 mm to 10 mm, it is strong enough to accommodate

3. Excellent Protection
The bottom of the bag is flat, so there is plenty of space at the bottom. Unlike flat bags or side gusset bags, they don’t have any space at the bottom and need to be folded. So it’s better for filled products. And since it’s flat and stable, it’s also better protected during transport. Flat Bottom Pouch are also shelf stable; no falls means good protection too.

4. Appearance
The unique Flat Bottom Pouch has a stronger three-dimensional effect than other bags. No other bag can match the Flat Bottom Pouch for three-dimensionality. This look is very eye-catching and always impresses.

5. Better branding
Flat bags have more sides than other bags. It has five display surfaces: front, back, left, right, and bottom. All panels can be printed, which also means that there will be more printed surfaces to display our branding information. We know that there are a lot of mandatory information on food packaging bags, so it is not enough for ordinary bags to have only two display surfaces. The five display sides of the octagonal sealed bag can leave more space for image design and brand design. You can see artwork designs on the front and back, as well as custom designs on the left and right corner panels, and even some information printed on the bottom. This is great for brand building.

6. Larger filling volume
Since the bottom of the Flat Bottom Pouch is flat, the Flat Bottom Pouch can be filled with more volume. It also means it can use less material to hold the same volume. This same material can also be a great contribution to environmental sustainability.

3. What products can be packaged in Flat Bottom Pouch?

• Coffee (with vent valve and tin tie)
• Tea
• candy
• pet food
• snack
• rice
• cereals
• Various dry ingredients food
• All dry goods.

In fact, Flat Bottom Pouch can be used to package all products except retort bags.

4. Market prospect of Flat Bottom Pouch

Flat Bottom Pouch are in high demand in the market due to their shelf stability due to their strong horizontal bottom.

It is a laminated bag with heavy duty features that can pack products weighing up to 10kg. Films have a barrier function, blocking oxygen and moisture, and also help food production and packaging.

Therefore, the growth outlook of the global Flat Bottom Pouch market is expected to remain positive in the future.

5. Weaknesses

In fact, the bag itself has no weaknesses. But bag production.

1. Bag making machines are expensive: Flat Bottom Pouch machines are bulky, much larger than side fold bag machines and stand up bag machines, let alone Flat Bottom Pouch machines. So it is easy to understand that the machine is expensive. Actually 2 to 5 times more expensive than other bag making machines.
2. High scrap rate in the production process: Due to the larger bag making machine, there are more production processes. It is easy to understand that there will be more steps to set up the machine at the beginning of production. So more waste will be generated.

6. Sustainability: Recyclable barrier single material PE Flat Bottom Pouch

Sustainability is very important for flexible packaging these days. This means that while having heavy-duty and barrier functions, we also need to consider recyclability. Thanks to the help of the R&D department, Longdapac now offers recyclable barrier monomaterial flat bags. This is 100% single material PE bag, ( MDOPE laminated to PE), best recyclability; and barrier function, protect the product from oxygen and moisture. Longdapac is the first factory in China to produce recyclable barrier Flat Bottom Pouch using single material PE.

7. Conclusion

Flat Bottom Pouch combine the advantages of side pockets and stand up bags that make them so special in the world of packaging. It is foreseeable that more and more brands will choose Flat Bottom Pouch during production.