4 Side Seal Pouch
4 sided sealing pouch, also known as heat sealing bag or air pressure bag, is a common type of packaging bag. It is characterized in that the four sides of the bag are heat-sealed to form a complete sealing structure.
4 Side Seal Pouch
Large Volume | Window, Tap Zipper, Valve Option
Good sealing performance: the four sides of the four-sided sealing bag are heat-sealed to ensure the sealing of the bag, which can effectively prevent the leakage or pollution of the contents. This excellent sealing performance makes it an ideal packaging choice for products that require airtight storage.
Simple structure: the four-sided sealing bag is mainly composed of two parts: the bag body and the seal, the bag body is usually rectangular or trapezoidal, and the sealing interface has heat sealing or bonding treatment.
Beautiful appearance: The appearance of the four-sided sealing bag is simple and beautiful, and it can print a variety of exquisite patterns and text to enhance the brand image of the product
WE CAN DO IT
★ Easily printable on all the four sides, up to 10 colors each side
★ For premium products packagings, like high-quality coffee or pet foods
★ Can be added with standard and tap zipper, valve, laser scoring, handle
★ Matte and Glossy treatment on the surface
★ 100% FDA & BPA free material
★ MOQ start from 100pcs per design
Advantage of 4 side seal pouch
● Anti-fouling and moisture-proof: The four-sided sealing bag has good sealing performance and low oxygen permeability, which can effectively prevent air, moisture and pollutants from invading the packaging bag and protect the contents from pollution.
● Saving packaging space: The three-dimensional shape of the four-sided bag packaging is good, can make full use of the packaging space, easy to store and transport, and also easy to recycle.
● Strong oxidation resistance: the four-sided sealing bag is resistant to cooking, has strong oxidation resistance, good anti-static property, can effectively protect the items from being affected by the external environment, and extend the shelf life.
● Wide range of application: The four-sided sealing bag is suitable for a variety of products that need to be sealed and stored, such as food, medicine, cosmetics, etc., which can meet the packaging needs of different industries.
If you want to customize your own 4 side seal pouch, email us!
4 side seal pouch FAQ
Q
What are the types of quad seal bags?
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A
Depending on the product you want to package, there are various types of quad seal bag you can choose. They include the following:
Zipped Quad seal bags
Foiled Quad seal bags
Clear Quad seal bags
Aluminum Quad seal bags
Valve Quad seal bags
All of these bags have their own advantages and what make them preferable over the other ones.
Q
What products are quad seal bags used for?
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A
Quad seal bags are one of the most versatile packaging materials you will ever come across. They are used for edible products such as coffee, tea, pet foods etc.
Quad seal bags are also used for non-edible products like drugs and pharmaceutical products, agricultural products, etc.
Q
Can printing be done on a quad seal bag?
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A
Printing, branding and designing can all be done on a quad seal bag.
Also, all types of brand aesthetics can be done for advertisement and awareness purpose.
Q
What is metalized quad seal bag?
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A
Metalized quad seal bags are used mostly for storing products that are very light sensitive.
They are one of the best quad seal bags because they offer various storing option.
Contrary to what many think, Metalized quad seal bags are not made from metal.
They only got the name because of the metallic look they have
Q
What is the difference between 3 side seal Pouches and 4 side seal Pouches?
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A
Although both offer similar types of packaging advantages, the major difference is that a 3 side seal Pouch has one end open, compared to a 4 side seal Pouch that does not have any end open.
Q
What are 4 side seal Pouches?
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A
4 side seal bags are packaging bags with four sides sealed.
The four sides are heat sealed end and this is good for storing different types of products.
Make your own Pouches
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Common Accessories
Provide custom service
Lifting Handle
Self-sealing Zipper
Easy Zipper
Slider Zipper
General Materials and Characteristics
Material for Middle
Characteristic
OPP
Bright surface: With great transparency.
Matte surface: With shading effect and low gloss.
PET
(Polyethylene terephthalate)
Bright surface: Better heat resistance, oil resistance, drug resistance, barrier. Not easy to dissolve.
PA
(Nylon/Polyamide)
Heat resistance, wear resistance, puncture resistance, strong toughness and good softness. Good barrier to gas.
Material for Outside
Characteristic
PET
Normally is transparent.
Aluminized: Great barrier and microwave permeability, high temperature resistance.
AL
(Aluminum)
UV resistance, heat conduction, fragrance wrapping, oxygen and humidity resistance.
PA
(Nylon/Polyamide)
Heat resistance, wear resistance, puncture resistance, strong toughness and good softness. Good barrier to gas.
Material for Inside
Characteristic
PE
(Polyethylene)
Good heat sealing and moisture resistance, tear resistance, low temperature resistance, strong toughness. (Low transparency)
CPP
(Cast polypropylene)
High transparency, hardness and high temperature resistance.
Layers
Conventional Materials Matching
2 Layers
OPP + CPP/PE, PET + CPP/PE, PA + CPP/PE
3 Layers
OPP + PET + CPP/PE, PET + PET /AL/ PA + CPP/PE
4 Layers
PET + PA + AL + CPP
Above is general materials for reference firslty.
And there are many different materials and processing technology else also.
Welcome to inquire if any special requirement.
Office:
Shijiazhuang, Hebei Province
Factory:
Cangzhou, Hebei Province
Main Products
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