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ms-bbfd006
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2024081001
The 8-side seal food packaging bag is a professional packaging solution for mid-to-high-end food brands, e-commerce sellers, and processing plants. Its design incorporates three core objectives from the outset:
More Stable Packaging Structure: Suitable for medium to large-capacity foods, with strong load-bearing capacity;
More Professional Moisture Protection and Freshness Preservation: Multi-layered, high-barrier structure extends shelf life;
Superior Display Effect: Three-dimensional and crisp, with exquisite printing, enhancing brand image. Compared to traditional three-side seal, stand-up pouches, and back-seal bags, the 8-side seal packaging bag offers significant advantages in terms of three-dimensionality, load-bearing capacity, shelf display capability, and brand presentation space, making it ideal for food brands that need to project a "professional look."
The core of the eight-side seal bag lies in its eight sealing edges and 3D molding design:
Four side seals: Enhance the overall stability of the bag, preventing bulging and deformation; Top and bottom seals: Ensure the bag's airtightness, preventing air leakage and cracking; 3D molding structure: The bag remains square and firm after being filled, without collapsing. This structure is particularly suitable for: medium to large capacity products (such as 500g, 1kg, 2kg nuts, pet food, etc.); products that need to be neatly stacked or arranged (such as supermarket shelves, warehouse stacking).
The bottom adopts a widened self-standing design, allowing the bag to stand naturally whether it is not full or full:
Display advantages: More eye-catching on shelves, with a larger front display area; Capacity advantages: The effective space inside the bag is significantly increased after the bottom is unfolded; Practical advantages: Consumers can place it upright directly in the kitchen or storage cabinet after opening.
Depending on the intended use, bags can be configured with different thicknesses. For example: Standard thickness: 80–120 μm, suitable for snacks and small packages of dry goods; Medium-high thickness: 120–160 μm, suitable for heavier products such as nuts, coffee beans, and pet food; High-strength thickness: 160 μm and above, suitable for large packaging, export shipping, and long-distance logistics.
Benefits of thickened bag walls: Less prone to puncture by sharp objects (such as nut shells or bone-shaped pet food); Stronger resistance to compression, suitable for e-commerce express delivery and cross-border transportation; A more solid feel, enhancing the consumer's direct impression of "quality."
Sealing is the "lifeline" of food packaging. Eight-side seal bags have the following characteristics in their sealing process:
Customizable sealing width: Commonly 5-10mm, wider sealing edges are more secure;
Precise control of heat sealing temperature and pressure: Ensures a smooth seal without any gaps;
Compatible with automated packaging lines: Suitable for automatic filling and sealing equipment, improving production efficiency.
All materials are food-grade raw materials, meeting the safety requirements of both export and domestic markets: free of harmful plasticizers; odorless, does not affect food flavor; complies with food contact safety standards (such as FDA, EU standards, etc., customizable upon request). Suitable for: Direct contact with food (such as nuts, coffee beans, candy); dried goods and tea requiring long-term storage.
Depending on product attributes and positioning, different composite structures can be selected:
PET/PE: High transparency, suitable for transparent windows; suitable for snacks, biscuits, candies, etc.
PET/VMPET/PE: VMPET provides high barrier properties; suitable for coffee, tea, nuts, and other products with high requirements for moisture and oxidation prevention.
PET/AL/PE: The aluminum foil layer has extremely strong barrier properties, almost completely blocking light and oxygen; suitable for high-end coffee, functional foods, health products, etc.
Kraft paper/PET/PE or Kraft/VMPET/PE: The outer kraft paper has a high-end texture, suitable for brands pursuing a "natural, environmentally friendly, and light luxury" approach; can be used for window designs, balancing texture and display.
Multi-layer composite structures effectively block:
Moisture: Prevents food from becoming damp, soft, and clumping;
Oxygen: Reduces oxidation reactions and delays spoilage;
Light: Prevents nutrient loss and flavor changes caused by light exposure;
Odor: Prevents external odors from intruding or internal aromas from being lost. This is particularly crucial for the following products: coffee beans/powder (preventing aroma loss and oil oxidation); tea leaves (maintaining aroma and dryness); nuts and dried fruits (preventing rancidity and softening); pet food (preventing oil oxidation and deterioration of taste).
1. Moisture-proof Performance:
Multi-layer barrier film effectively reduces moisture permeability; suitable for humid southern regions or long-distance sea transport environments; especially important for powdered, granular, and easily hygroscopic foods.
Typical Applications: Coffee powder, milk powder, grain powder; dried goods, spices, seasonings; candy, biscuits, and puffed foods.
2. Freshness Preservation and Flavor Locking: Blocks oxygen, slowing down oil oxidation and flavor loss; maintains the aroma and taste of coffee, tea, and nuts; especially crucial for products where aroma is a key selling point. Optional Configuration: One-way exhaust valve (for coffee beans): allows internal gases to escape, preventing bulging; prevents external air from entering, maintaining aroma and freshness.
3. Extended Shelf Life
Through its high-barrier structure and sealing technology, the eight-side seal bag can significantly extend the shelf life of food products:
Reducing the risk of returns and complaints; improving product stability in cross-border and e-commerce channels; and providing brands with more flexible inventory and sales rhythms.
The eight-side seal bag offers ample display space on the front, back, and sides: Front: Brand logo, product name, key selling points icons; Back: Nutritional information, instructions for use, brand story; Sides: Slogan, series information, QR code, etc. This makes the packaging not just a "bag for holding things," but a mobile brand advertisement.
Supports various printing and surface treatments: Gravure/Flexographic printing: rich colors and clear details; Matte/Gloss film: creating different visual styles; Spot UV coating, hot stamping (gold/silver): highlighting the brand logo or core selling points; Window design: allowing consumers to directly see the product itself.
Customizable to brand positioning: Minimalist, natural, retro, tech-inspired, etc.; solid color background + illustrations/product images; bilingual (Chinese and English) information layout, suitable for cross-border e-commerce and export.
Nuts and Roasted Seeds: Walnuts, Cashews, Pistachios, Sunflower Seeds, etc.; Coffee and Tea: Coffee Beans, Coffee Powder, Black Tea, Green Tea, Herbal Tea; Snacks and Baked Goods: Biscuits, Cookies, Puffed Foods, Candy, Chocolate; Dried Goods and Seasonings: Spices, Dried Chili Peppers, Sichuan Peppercorns, Grains, Mixed Grains; Pet Food: Cat Food, Dog Food, Small Pet Snacks; Functional Foods and Health Products: Meal Replacement Powder, Nutritional Powder, Solid Beverages, etc.
Cross-border e-commerce platforms: Amazon, Alibaba International Station, Shopee, Lazada, etc.; Domestic e-commerce: Tmall, JD.com, Pinduoduo, Douyin e-commerce, etc.; Offline channels: Supermarkets, convenience stores, specialty stores, brand counters; Gift boxes and combo packs: Used as inner bags, with outer gift boxes or cartons.
Optional resealable zipper: Allows for multiple reseals after opening; keeps food dry and fresh; enhances user experience and product quality.
Easy-tear openings on both sides of the bag opening: allows for easy tearing without scissors; clean tear, does not affect aesthetics; improves user experience, especially suitable for snacks and portable packaging.
Suitable for freshly roasted coffee beans; allows internal gas to escape, preventing bulging; prevents external air from entering, maintaining aroma and freshness.
Suitable for products requiring hanging rack display: Applicable to convenience store and retail store shelves; enhances display flexibility.
VIII. Production and Cooperation Mode
Supports OEM/ODM: Customized sizes, materials, and printing solutions can be tailored to brand needs;
Small-batch trial orders + mass production: Suitable for new brands testing the waters and established brands seeking long-term cooperation;
Sampling service: Samples can be provided to confirm colors, materials, and structures;
Flexible delivery time: Production cycles are arranged according to order volume and process complexity.
IX. Summary: A packaging solution that truly balances "aesthetics, performance, and cost"
High-performance, cost-effective eight-side seal food packaging bags are not just "bags for products," but rather a combination of structural design, materials science, and branding.
The 8-side seal food packaging bag is a professional packaging solution for mid-to-high-end food brands, e-commerce sellers, and processing plants. Its design incorporates three core objectives from the outset:
More Stable Packaging Structure: Suitable for medium to large-capacity foods, with strong load-bearing capacity;
More Professional Moisture Protection and Freshness Preservation: Multi-layered, high-barrier structure extends shelf life;
Superior Display Effect: Three-dimensional and crisp, with exquisite printing, enhancing brand image. Compared to traditional three-side seal, stand-up pouches, and back-seal bags, the 8-side seal packaging bag offers significant advantages in terms of three-dimensionality, load-bearing capacity, shelf display capability, and brand presentation space, making it ideal for food brands that need to project a "professional look."
The core of the eight-side seal bag lies in its eight sealing edges and 3D molding design:
Four side seals: Enhance the overall stability of the bag, preventing bulging and deformation; Top and bottom seals: Ensure the bag's airtightness, preventing air leakage and cracking; 3D molding structure: The bag remains square and firm after being filled, without collapsing. This structure is particularly suitable for: medium to large capacity products (such as 500g, 1kg, 2kg nuts, pet food, etc.); products that need to be neatly stacked or arranged (such as supermarket shelves, warehouse stacking).
The bottom adopts a widened self-standing design, allowing the bag to stand naturally whether it is not full or full:
Display advantages: More eye-catching on shelves, with a larger front display area; Capacity advantages: The effective space inside the bag is significantly increased after the bottom is unfolded; Practical advantages: Consumers can place it upright directly in the kitchen or storage cabinet after opening.
Depending on the intended use, bags can be configured with different thicknesses. For example: Standard thickness: 80–120 μm, suitable for snacks and small packages of dry goods; Medium-high thickness: 120–160 μm, suitable for heavier products such as nuts, coffee beans, and pet food; High-strength thickness: 160 μm and above, suitable for large packaging, export shipping, and long-distance logistics.
Benefits of thickened bag walls: Less prone to puncture by sharp objects (such as nut shells or bone-shaped pet food); Stronger resistance to compression, suitable for e-commerce express delivery and cross-border transportation; A more solid feel, enhancing the consumer's direct impression of "quality."
Sealing is the "lifeline" of food packaging. Eight-side seal bags have the following characteristics in their sealing process:
Customizable sealing width: Commonly 5-10mm, wider sealing edges are more secure;
Precise control of heat sealing temperature and pressure: Ensures a smooth seal without any gaps;
Compatible with automated packaging lines: Suitable for automatic filling and sealing equipment, improving production efficiency.
All materials are food-grade raw materials, meeting the safety requirements of both export and domestic markets: free of harmful plasticizers; odorless, does not affect food flavor; complies with food contact safety standards (such as FDA, EU standards, etc., customizable upon request). Suitable for: Direct contact with food (such as nuts, coffee beans, candy); dried goods and tea requiring long-term storage.
Depending on product attributes and positioning, different composite structures can be selected:
PET/PE: High transparency, suitable for transparent windows; suitable for snacks, biscuits, candies, etc.
PET/VMPET/PE: VMPET provides high barrier properties; suitable for coffee, tea, nuts, and other products with high requirements for moisture and oxidation prevention.
PET/AL/PE: The aluminum foil layer has extremely strong barrier properties, almost completely blocking light and oxygen; suitable for high-end coffee, functional foods, health products, etc.
Kraft paper/PET/PE or Kraft/VMPET/PE: The outer kraft paper has a high-end texture, suitable for brands pursuing a "natural, environmentally friendly, and light luxury" approach; can be used for window designs, balancing texture and display.
Multi-layer composite structures effectively block:
Moisture: Prevents food from becoming damp, soft, and clumping;
Oxygen: Reduces oxidation reactions and delays spoilage;
Light: Prevents nutrient loss and flavor changes caused by light exposure;
Odor: Prevents external odors from intruding or internal aromas from being lost. This is particularly crucial for the following products: coffee beans/powder (preventing aroma loss and oil oxidation); tea leaves (maintaining aroma and dryness); nuts and dried fruits (preventing rancidity and softening); pet food (preventing oil oxidation and deterioration of taste).
1. Moisture-proof Performance:
Multi-layer barrier film effectively reduces moisture permeability; suitable for humid southern regions or long-distance sea transport environments; especially important for powdered, granular, and easily hygroscopic foods.
Typical Applications: Coffee powder, milk powder, grain powder; dried goods, spices, seasonings; candy, biscuits, and puffed foods.
2. Freshness Preservation and Flavor Locking: Blocks oxygen, slowing down oil oxidation and flavor loss; maintains the aroma and taste of coffee, tea, and nuts; especially crucial for products where aroma is a key selling point. Optional Configuration: One-way exhaust valve (for coffee beans): allows internal gases to escape, preventing bulging; prevents external air from entering, maintaining aroma and freshness.
3. Extended Shelf Life
Through its high-barrier structure and sealing technology, the eight-side seal bag can significantly extend the shelf life of food products:
Reducing the risk of returns and complaints; improving product stability in cross-border and e-commerce channels; and providing brands with more flexible inventory and sales rhythms.
The eight-side seal bag offers ample display space on the front, back, and sides: Front: Brand logo, product name, key selling points icons; Back: Nutritional information, instructions for use, brand story; Sides: Slogan, series information, QR code, etc. This makes the packaging not just a "bag for holding things," but a mobile brand advertisement.
Supports various printing and surface treatments: Gravure/Flexographic printing: rich colors and clear details; Matte/Gloss film: creating different visual styles; Spot UV coating, hot stamping (gold/silver): highlighting the brand logo or core selling points; Window design: allowing consumers to directly see the product itself.
Customizable to brand positioning: Minimalist, natural, retro, tech-inspired, etc.; solid color background + illustrations/product images; bilingual (Chinese and English) information layout, suitable for cross-border e-commerce and export.
Nuts and Roasted Seeds: Walnuts, Cashews, Pistachios, Sunflower Seeds, etc.; Coffee and Tea: Coffee Beans, Coffee Powder, Black Tea, Green Tea, Herbal Tea; Snacks and Baked Goods: Biscuits, Cookies, Puffed Foods, Candy, Chocolate; Dried Goods and Seasonings: Spices, Dried Chili Peppers, Sichuan Peppercorns, Grains, Mixed Grains; Pet Food: Cat Food, Dog Food, Small Pet Snacks; Functional Foods and Health Products: Meal Replacement Powder, Nutritional Powder, Solid Beverages, etc.
Cross-border e-commerce platforms: Amazon, Alibaba International Station, Shopee, Lazada, etc.; Domestic e-commerce: Tmall, JD.com, Pinduoduo, Douyin e-commerce, etc.; Offline channels: Supermarkets, convenience stores, specialty stores, brand counters; Gift boxes and combo packs: Used as inner bags, with outer gift boxes or cartons.
Optional resealable zipper: Allows for multiple reseals after opening; keeps food dry and fresh; enhances user experience and product quality.
Easy-tear openings on both sides of the bag opening: allows for easy tearing without scissors; clean tear, does not affect aesthetics; improves user experience, especially suitable for snacks and portable packaging.
Suitable for freshly roasted coffee beans; allows internal gas to escape, preventing bulging; prevents external air from entering, maintaining aroma and freshness.
Suitable for products requiring hanging rack display: Applicable to convenience store and retail store shelves; enhances display flexibility.
VIII. Production and Cooperation Mode
Supports OEM/ODM: Customized sizes, materials, and printing solutions can be tailored to brand needs;
Small-batch trial orders + mass production: Suitable for new brands testing the waters and established brands seeking long-term cooperation;
Sampling service: Samples can be provided to confirm colors, materials, and structures;
Flexible delivery time: Production cycles are arranged according to order volume and process complexity.
IX. Summary: A packaging solution that truly balances "aesthetics, performance, and cost"
High-performance, cost-effective eight-side seal food packaging bags are not just "bags for products," but rather a combination of structural design, materials science, and branding.
