LDPE plastic zipper bag — Premium Food Grade Plastic Packaging Bags Printed Surface Bags Transparent Liquid Storage Flat Open Top Bags
Sustainable LDPE plastic zipper bag featuring a one-way degassing valve for maximum freshness and professional shelf presentation in the coffee and snack industry.
The LDPE plastic zipper bag from Yun Sealoong represents a breakthrough in sustainable flexible packaging, specifically engineered for the specialty coffee and organic food industries. By combining high-performance barrier properties with eco-friendly materials, this bag ensures that your premium products reach consumers in peak condition while aligning with global environmental standards for biodegradable waste management.
Constructed from food grade LDPE pouches, each bag is equipped with an integrated one-way degassing valve. This critical feature allows CO2 to escape from freshly roasted beans without allowing oxygen to enter, effectively preventing oxidation and preserving the delicate aroma and flavor profiles of your product. The reinforced heat-sealed edges and a precision-engineered zipper closure provide a reliable, airtight environment that withstands the rigors of international shipping and long-term storage.
As a direct manufacturer, Yun Sealoong offers extensive customization options for our wholesale resealable poly bags, including tailored dimensions, thickness, and high-fidelity branding. With a rapid 8-day lead time and flexible MOQs starting from just 1,000 pieces, we provide a scalable solution for both boutique roasters and large-scale distributors seeking professional, high-clarity packaging that maximizes shelf appeal and brand trust.
High Performance LDPE Plastic Zipper Bag Features
Advanced One Way Degassing Valve Bag Technology
- The built-in valve allows carbon dioxide to vent automatically while blocking atmospheric oxygen, ensuring your roasted beans maintain their volatile aromatics and freshness for months on the retail shelf.
- Engineered with precision, the valve prevents bag swelling and potential bursting during transit, providing a safe degassing solution that preserves the structural integrity of the entire packaging unit under pressure.
- This functional component is essential for specialty coffee roasters who require professional-grade degassing while maintaining a high-performance moisture proof barrier against external humidity and oxygen ingress.
Sustainable Biodegradable Coffee Packaging Solutions
- Formulated with eco-conscious additives, these bags support green initiatives by breaking down more efficiently than standard plastics, helping your brand meet the growing consumer demand for environmentally responsible waste management.
- Despite its eco-friendly nature, the material maintains the same tensile strength and puncture resistance as traditional polyethylene, ensuring that your food grade LDPE pouches do not tear during bulk handling.
- Transitioning to our sustainable materials allows your business to reduce its carbon footprint without sacrificing the protective qualities needed for sensitive food products like nuts, seeds, and roasted coffee beans.
Custom Wholesale LDPE Plastic Zipper Bag Supply
- Our factory provides full OEM services, allowing you to customize the dimensions, film thickness, and multi-color printing to ensure your brand stands out in a competitive retail environment with professional-grade clarity.
- These wholesale resealable poly bags feature a reinforced zipper track that provides a secure, airtight seal even after repeated use, making them ideal for customers who value convenience and freshness.
- With a streamlined production process, we offer an industry-leading 8-day lead time for standard orders, ensuring your supply chain remains agile and responsive to shifting market demands and inventory needs.
Diverse Application of Clear Flexible Packaging Bags
- Perfect for artisanal coffee roasteries needing a clear window to showcase the texture of roasted beans while ensuring optimal degassing and moisture protection for long-range distribution.
- Ideal for organic snack producers and nut wholesalers who require a reliable heat-sealed solution that combines high-clarity visibility with a resealable closure for enhanced consumer convenience.
- Suitable for pharmaceutical and medical supply secondary packaging where visibility and a secure airtight environment are mandatory to prevent contamination from ambient dust or atmospheric humidity during storage.
Secure your premium coffee beans with our food-grade, biodegradable degassing bags; contact Yun Sealoong today for a custom quote and receive free samples to test our superior barrier quality.

|
SPECIFICATION
|
PRODUCT DETAILS
|
|
Brand Name
|
Yun Sealoong
|
|
Place of Origin
|
Henan, China
|
|
Features
|
This premium LDPE plastic zipper bag is an advanced one way degassing valve bag specifically engineered for biodegradable coffee packaging. Crafted as food grade LDPE pouches, it provides an exceptional moisture and oxygen barrier to preserve aroma and flavor. These wholesale resealable poly bags feature high-clarity transparency and puncture resistance, serving as high-quality moisture proof zipper bags for professional retail presentation.
|
|
Material
|
Food Grade Biodegradable LDPE
|
|
Plastic Type
|
LDPE (Low Density Polyethylene)
|
|
Bag Type
|
Side Gusset Bag with One-way Degassing Valve
|
|
Material Structure
|
Single layer LDPE
|
|
Industrial Use
|
Food & Beverage
|
|
Application
|
Coffee Beans, Tea Leaves, Nuts, Roasted Seeds, Snacks
|
|
Sealing & Handle
|
Heat Seal
|
|
Surface Handling
|
High Glossy Clear Surface
|
|
Custom Order
|
Accept (OEM/ODM Full Customization)
|
|
Model Number
|
TC3-1-7
|
|
Size
|
10x15cm, 15x20cm, 20x30cm (Customizable)
|
|
Thickness
|
20 Microns / 0.1 mm
|
|
MOQ
|
1000 Pieces
|
|
Lead Time
|
8 days for standard orders
|
|
Certification
|
Food Grade Safety Standard
|
|
Function
|
One-way Degassing, Moisture Proof, Freshness Preservation
|
|
Feature
|
Biodegradable
|
|
Use
|
Cake, Baby Food, Bread, Candy, Cookie, Jelly, Nuts & Kernels, Other Food, Pet Food, Potato Chips, Seasonings & Condiments, Snack, Sugar
|
|
Product Name
|
Clear LDPE Plastic Storage Packaging Bags
|
|
Bag Style
|
Three-side Seal Flat Bag
|
|
Advantage
|
Eco-friendly, Freshness Preservation, Strong Heat Seal
|
















Additional information
| Brand Name | Yun Sealoong |
|---|---|
| Place of Origin | Henan, China, CN |
| Material | Food Grade Biodegradable LDPE |
| Model Number | TC3-1-7 |
| Feature | Biodegradable |
| Transparency | High Glossy Clear Surface |
| Thickness | 20 Microns |
| Industrial Use | Food |
| Use | Cake, Baby Food, Bread, Candy, Cookie, Jelly, Nuts & Kernels, Other Food, Pet Food, Potato Chips, Seasonings & Condiments, Snack, Sugar |
| Application | Coffee Beans, Tea Leaves, Nuts, Roasted Seeds |
| Custom Order | Accept |
| MOQ | 1000 Piece |
| Lead Time | 7-25 days depending on order quantity |
| Advantage | Eco-friendly, Freshness Preservation, Strong Heat Seal |
| Bag Type | Side Gusset Bag |
| Plastic Type | LDPE |
| Material Structure | LDPE |
| Sealing & Handle | Heat Seal |
| Surface Handling | Other |
| Size | 20x30cm, 10x15cm, 15x20cm |
| Product Name | Clear LDPE Plastic Storage Packaging Bags |
| Bag Style | Three-side Seal Flat Bag |
| Function | Moisture Proof, High Transparency |
| OEM/ODM | Full Customization Accepted (Size, Thickness, Logo) |
| Certification | Food Grade Safety Standard |
















