The eight side seal bag has 4 sealing edges at the bottom and 2 sealing edges on each side, totaling 8 sealing edges, forming a stable flat bottom structure. This design enables it to be displayed upright and enhances the sense of three-dimensionality. Diverse Names According to the function and form, it is also called “flat bottom bag”, “square bottom bag”, “organ zipper bag” or “upright eight side seal bag “etc.
The eight side seal design effectively seals out air, moisture and dust by tightly sealing the bag, prolonging the shelf life of food, especially suitable for nuts, coffee, snacks and other moisture-prone products. Enhanced Protection
Multi-edge sealing structure provides buffer effect to reduce vibration and collision during transportation, reducing the risk of product breakage. High-value and display effect
Flat bottom design can stand stably on the shelf, displaying the printed content in all directions and attracting consumers' attention. 8 printing panels (front, back, both sides and bottom) support rich graphic information and enhance the brand image.
Environmentally friendly and reusable
Supporting biodegradable materials, some styles are equipped with zipper design, which is easy to open and close many times to reduce waste. Flexibility and Customization
Size, shape and material (e.g. PET/aluminum, PE, etc.) can be customized to meet different product needs, such as adding nozzles or easy-tear openings.
Application Areas
Food Industry
Widely used in nuts, candy, coffee, pet food, etc., such as three squirrels, Bacchus flavor and other brands are used in this type of packaging. Cosmetic industry
Suitable for face masks, skin care products and other products that need to avoid light and oxidation, the aluminum layer can enhance the protective properties. Electronic products
Small electronic accessories are packaged in eight-sided sealed bags, taking into account the protection and convenience of display.
the production process and customization considerations
Printing process
Rotogravure printing technology is used to ensure bright colors and wear-resistant, part of the side may use solid colors or chaotic patterns to reduce costs. Material Selection
Common composite materials such as PET/Aluminum Foil/PE, need to be customized according to the needs of barrier and temperature resistance. Points of customization
Two sets of plates (main and side) are required. Dimensional accuracy affects aesthetics and needs to be designed according to product usage. Optional details such as zipper, easy-tear opening and rounded corners are available.
Market Trends and Development
Popularization of automated production
Traditional manual filling efficiency is low, M bag filling machine can quickly complete the bagging, weighing, sealing, significantly improve production capacity. Driven by the demand for environmental protection
Degradable materials and reusable designs have become the focus of the industry, such as the use of bio-based materials like PLA. Globalization Expansion
Domestic manufacturers such as Hengli Packaging has exported its equipment to more than 30 countries, promoting the international application of eight side seal bags.
Product Parameters
This table lists in detail the information and payment methods for packaging purchases, providing a comprehensive reference for your wholesale purchasing decisions.
Order Key Information
Details
Certification
ISO9001, BRC, SGS, FDA, FSSC22000,GRS
Material
PET/AL/PA/RCPP
Key Features
High barrier
Applications
food
MOQ
5000m2
Port
Shanghai,China
International Commercial Terms
FOB, EXW, DDP, CIF
Payment
LC, T/T, Paypal
Product Features
Excellent sealing and preservation performance
The eight side seal design effectively seals out air, moisture and dust by tightly sealing the bag, prolonging the shelf life of food, especially suitable for nuts, coffee, snacks and other moisture-prone products. Enhanced Protection
Multi-edge sealing structure provides buffer effect to reduce vibration and collision during transportation, reducing the risk of product breakage. High-value and display effect
Flat bottom design can stand stably on the shelf, displaying the printed content in all directions and attracting consumers' attention. 8 printing panels (front, back, both sides and bottom) support rich graphic information and enhance the brand image.
Environmentally friendly and reusable
Supporting biodegradable materials, some styles are equipped with zipper design, which is easy to open and close many times to reduce waste. Flexibility and Customization
Size, shape and material (e.g. PET/aluminum, PE, etc.) can be customized to meet different product needs, such as adding nozzles or easy-tear openings.
Application Areas
Food Industry
Widely used in nuts, candy, coffee, pet food, etc., such as three squirrels, Bacchus flavor and other brands are used in this type of packaging. Cosmetic industry
Suitable for face masks, skin care products and other products that need to avoid light and oxidation, the aluminum layer can enhance the protective properties. Electronic products
Small electronic accessories are packaged in eight-sided sealed bags, taking into account the protection and convenience of display.
the production process and customization considerations
Printing process
Rotogravure printing technology is used to ensure bright colors and wear-resistant, part of the side may use solid colors or chaotic patterns to reduce costs. Material Selection
Common composite materials such as PET/Aluminum Foil/PE, need to be customized according to the needs of barrier and temperature resistance. Points of customization
Two sets of plates (main and side) are required. Dimensional accuracy affects aesthetics and needs to be designed according to product usage. Optional details such as zipper, easy-tear opening and rounded corners are available.
Market Trends and Development
Popularization of automated production
Traditional manual filling efficiency is low, M bag filling machine can quickly complete the bagging, weighing, sealing, significantly improve production capacity. Driven by the demand for environmental protection
Degradable materials and reusable designs have become the focus of the industry, such as the use of bio-based materials like PLA. Globalization Expansion
Domestic manufacturers such as Hengli Packaging has exported its equipment to more than 30 countries, promoting the international application of eight side seal bags.
Product Parameters
This table lists in detail the information and payment methods for packaging purchases, providing a comprehensive reference for your wholesale purchasing decisions.
Order Key Information
Details
Certification
ISO9001, BRC, SGS, FDA, FSSC22000,GRS
Material
PET/AL/PA/RCPP
Key Features
High barrier
Applications
food
MOQ
5000m2
Port
Shanghai,China
International Commercial Terms
FOB, EXW, DDP, CIF
Payment
LC, T/T, Paypal
Company Profile
From Food Packaging,Medical Packaging,Personal Care,Industrial Packaging,and Pet Packaging to Cushioning Packaging-Sunkey Packaging Co.,Ltd.provides innovative and sustainable packaging solutions tailored to your needs.
Certificate/System Certification
The following is our certificate and system certification information, which provides guarantee for the quality, environmental protection and safety of packaging bags.
We offer a full spectrum of services designed to support your business at every stage—from sustainable practices and material innovation to tailored solutions and customized service.
Sustainability
We prioritize eco-friendly, offering sustainable packaging solutions that reduce environmental impact while maintaining product quality and integrity.
Material Research
Our R&D team continually explores advanced materials, ensuring that your packaging meets the highest standards of safety, performance, and sustainability.
Customization
We provide tailored services that cater to your specific packaging requirements, from design to production, ensuring a perfect fit for your brand and product.
Solution Provision
Our comprehensive approach means we don’t just provide products—we deliver complete packaging solutions that address your unique challenges and goals.
FAQ
Browsing through some of our frequently asked questions before purchasing will help you fully understand information about wholesale purchasing of packaging bags.
Q: How can I pay my order?
A: We accept T/T, Western Union, Alibaba Online Payment to pay.
Q: Do you have any certificate?
A: We have passed ISO9001: 2008，ISO14001，OHSAS18001 and obtained CE certificate and BSCI certificate from UL.
Q: Why the model name of your machine same as the machine form other company?
A: Since these machines have long history and are very popular in the market, it may be indeed possible that some machine models are similar as others. What we may think is that the machine model does not make big difference. And the criteria for machines may depend on the technical support and quality of the machines.
Q: How about your warranty?
A: Our warranty is 12 months. Normally, the general after-sale service may be as below. 1) The technical support is permanent. 2) The paid spares parts could be provided at any time, 3) We have dealers in some countries to offer compensable service.
Company Profile
From Food Packaging,Medical Packaging,Personal Care,Industrial Packaging,and Pet Packaging to Cushioning Packaging-Sunkey Packaging Co.,Ltd.provides innovative and sustainable packaging solutions tailored to your needs.
Certificate/System Certification
The following is our certificate and system certification information, which provides guarantee for the quality, environmental protection and safety of packaging bags.
We offer a full spectrum of services designed to support your business at every stage—from sustainable practices and material innovation to tailored solutions and customized service.
Sustainability
We prioritize eco-friendly, offering sustainable packaging solutions that reduce environmental impact while maintaining product quality and integrity.
Material Research
Our R&D team continually explores advanced materials, ensuring that your packaging meets the highest standards of safety, performance, and sustainability.
Customization
We provide tailored services that cater to your specific packaging requirements, from design to production, ensuring a perfect fit for your brand and product.
Solution Provision
Our comprehensive approach means we don’t just provide products—we deliver complete packaging solutions that address your unique challenges and goals.
FAQ
Browsing through some of our frequently asked questions before purchasing will help you fully understand information about wholesale purchasing of packaging bags.
Q: How can I pay my order?
A: We accept T/T, Western Union, Alibaba Online Payment to pay.
Q: Do you have any certificate?
A: We have passed ISO9001: 2008，ISO14001，OHSAS18001 and obtained CE certificate and BSCI certificate from UL.
Q: Why the model name of your machine same as the machine form other company?
A: Since these machines have long history and are very popular in the market, it may be indeed possible that some machine models are similar as others. What we may think is that the machine model does not make big difference. And the criteria for machines may depend on the technical support and quality of the machines.
Q: How about your warranty?
A: Our warranty is 12 months. Normally, the general after-sale service may be as below. 1) The technical support is permanent. 2) The paid spares parts could be provided at any time, 3) We have dealers in some countries to offer compensable service.
Sunkey Packaging is honored to receive recognition from our valued clients, who trust us for our dedication to quality, reliability, and innovative solutions. Our partnerships with top brands reflect our commitment to excellence and our shared vision for cost efficiency, food safety, and sustainable packaging solutions.
Thank you for your continuous support and help to our company's work, and congratulations on receiving a comprehensive score of 82 points in our supplier rating!
I would like to express my gratitude to Sunkey Packaging for its contribution to our cost competitiveness by actively and diligently providing VA proposals for packaging we need.
Dear sunkey packaging, your supplier factory year through the audit, by the field verification and the content of the document is consistent. The audit score of 94.59%, has met the supply requirements, thank you for your efforts!
Sunkey's packaging products excel in quality and reliability. Their strong focus on food safety risks coincides with our philosophy. From the supplier site evaluation, Sunkey's efficient production process and strict quality control system have laid a solid foundation for our cooperation.
Sunkey stands out for its professional handling of food contact packaging and effective control and mitigation of major hazards. Their efficient response and attitude of continuous improvement gives us confidence in our cooperation.
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