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Heavy-duty Cold-resistant Doypack Laminated Bag Pouch Suitable for Frozen Seafood Shrimp Shellfish and Cold Chain Food Transportation
Product Usage & Applications
These heavy-duty cold-resistant Doypack laminated pouches offer the ultimate temperature-resistant and protective packaging solution for frozen seafood, shrimp, shellfish, and cold chain food transportation. Engineered with specialized sub-zero resilient composite films, these bags remain highly flexible and crack-resistant under extreme freezing conditions, while providing an absolute barrier against freezer burn, moisture migration, and oxygen penetration. The classic Doypack stand-up bottom gusset delivers superior vertical stability, ensuring the pouches remain upright during the automated filling process, inside commercial blast freezers, and on supermarket display shelves. Perfectly balancing rugged physical protection with an airtight barrier, these robust pouches provide a leak-proof, high-strength containment system that ensures fresh marine products and frozen seafood travel safely through the entire cold chain logistics network.
Thickened Sub-Zero Durability & Freeze Protection
Anti-Frost Freeze Defense: Utilizes thickened, cold-resilient composite materials that block out dry freezer air, completely preventing freezer burn and surface discoloration on premium seafood.
Flexible Anti-Cracking Film: Maintains its optimal elasticity and structural toughness at extreme low temperatures down to -20°C, ensuring the bag does not shatter or fracture under logistics impact.
Anti-Burst Side Seals: Reinforced with extra-wide side seals that easily withstand the heavy dropping impact and intense downward pressure of high-density frozen seafood loads.
Sharp-Shell Puncture Defense: Thickened composite laminate films easily resist piercing from sharp shrimp rostrums, rigid crab legs, and rough shellfish hulls without tearing or leaking air.
High Tensile Composite Matrix: Constructed from a multi-tier laminate core that minimizes stretching and scraping, safeguarding the airtight environment even when packed with jagged aquatic products.
Rigid Structural Cushioning: Features a highly resilient film formulation that absorbs external shocks and vibrations during transit, preventing delicate frozen seafood components from crushing.
Hermetic Thermal Welding: Formulated with high-performance sealant layers that create an unbreakable thermal bond, entirely eliminating microscopic pinholes and seam failures.
Leak-Proof Cold Containment: Prevents juices, melting ice, and liquefied moisture from escaping during the thawing process, keeping your transport boxes and freezer chests clean.
Tamper-Evident Top Header: Offers an extended sealing zone optimized for commercial continuous band heat sealers, giving retail consumers and wholesale buyers full confidence in food safety.
Multi-Layer High Barrier & Cold Chain Merchandising
Oxygen and Vapor Blockade: Implements a high-density laminate barrier that minimizes oxygen transmission, slowing down lipid oxidation in seafood and keeping cold chain food fresh.
Odor Isolation Barrier: Locks in the natural savory aromas of fresh catch while preventing them from absorbing or spreading unwanted ambient odors inside a crowded commercial cold storage facility.
Upright Freezing Stability: The broad, engineered Doypack base allows the pouch to stand firmly upright inside retail freezer cases, maximizing brand exposure and organizing display shelves.
Core Product Advantages:
Eco-Conscious Durability: High-tensile material designed for hundreds of reuses, actively helping users reduce their carbon footprint.
Customizable Specifications: Tailor the dimensions, thickness, and custom logo printing to match your specific brand identity.
Industrial-Strength Grip Seal: An easy-to-close, reliable track that delivers an airtight, leak-resistant lock under physical pressure.
Superior Environmental Barrier: Provides a pristine, contamination-free internal environment in any climate.
Product Specifications
Feature
Description
Material Options
PET, OPP, PE, VMPET, AL, PA
Common Uses
Food, Meat, Snacks, Garments, Jewelry, Accessories, Medical
Food-Grade Safety: Available in FDA-compliant materials (like PE) ensuring non-toxic and odorless storage for both consumables and textiles.
Advanced Sealing Technology: Features a robust press-to-close ziplock or interlocking track that provides an airtight and leak-proof barrier.
Diverse Textures: Offers options from high-clarity (PE/PVC) for product visibility to soft-touch frosted (CPE/EVA) for a luxury feel.
Highly Customizable: Supports bespoke dimensions, thickness (microns), and multi-color branding/printing to fit specific marketing needs.
Target Industries
Food & Beverage: Packaging for dried fruits, snacks, tea, and frozen goods (specifically using PE).
Fashion & Apparel: The go-to choice for T-shirts, activewear, swimwear, and high-end lingerie.
Electronics & Hardware: Organizing cables, chargers, and small components to prevent oxidation and dust.
Beauty & Personal Care: Ideal for travel kits, cosmetic samples, and hygiene product sets.
Core Advantages
Superior Protection: Excellent resistance to moisture, dust, and insects, significantly extending the shelf life of food and maintaining the freshness of fabrics.
Enhanced Brand Perception: The use of premium materials like EVA or Frosted CPE adds a high-end "unboxing" feel that elevates brand value.
Sustainability & Reusability: The durable zipper design allows consumers to reuse the bags for organization, reducing single-use waste and increasing brand exposure.
Logistics Optimization: Lightweight and flexible, these bags reduce shipping volume and costs compared to rigid packaging or heavy boxes.
Frequently Asked Questions
What is the difference between PE, CPE, and EVA materials?
PE is high-clarity and cost-effective; CPE has a soft, frosted texture; EVA is the most premium, offering superior softness and elasticity.
Can I customize the logo and size of the bag?
Yes, we offer full customization. You can specify the dimensions and provide your artwork for high-quality printing.
What is your Minimum Order Quantity (MOQ)?
The MOQ usually varies based on the bag size and printing complexity, typically starting from 1,000 to 5,000 pieces.
Are these bags eco-friendly or recyclable?
Yes, we offer GRS-certified recycled materials and biodegradable options to meet environmental standards.
Do the bags come with vent holes?
Yes, we can add punch holes (vent holes) to release air, allowing for more compact packing during shipping.
How many colors can you print on the bag?
We can support up to 8 colors using professional gravure or flexo printing for precise brand representation.
Is the slider zipper durable for multiple uses?
Absolutely. Our sliders are designed for repeated reuse, ensuring smooth gliding and a secure seal every time.
Can I get a sample before placing a bulk order?
Yes, we provide free stock samples (shipping excluded). Custom samples with your logo are also available for a fee.
What is the typical lead time for a custom order?
Generally, it takes 10-15 business days for production after the design is approved and the deposit is received.
Are your bags safe for direct contact with garments?
Yes, our materials are acid-free and sulfur-free, ensuring they won't damage or discolor sensitive fabrics.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2001
Total Annual:
10000000$-15000000$
Employee Number:
201~250
Ecer Certification：
Verified Supplier
Founded in 2001, Guangzhou Nstar Packaging Co., Ltd. has spent over two decades pioneering excellence in the flexible packaging industry. What began as a dedicated manufacturing facility has evolved into a premier industry leader. For a quarter of a century, we have combined time-tested manufacturin... Founded in 2001, Guangzhou Nstar Packaging Co., Ltd. has spent over two decades pioneering excellence in the flexible packaging industry. What began as a dedicated manufacturing facility has evolved into a premier industry leader. For a quarter of a century, we have combined time-tested manufacturin...
