Product Information
Product Name: 7-Layer Co-Extruded High Barrier Pet Waste Bag
Origin: Longkou, Yantai
Imported: No
Customizable Specifications: Yes, size can be customized
Processing Customization: Available
Logo Printing: Supported
Plastic Type: Functional PE (Polyethylene) with 7-layer co-extruded EVOH structure
Ratio of Virgin Material to Recycled Material: 100% brand-new material
Printing: 1 color on the front
Bag Color: Customizable
Packaging Grade: Sales packaging/terminal packaging
Application: For containing pet excrement
Colors: white，green，grey，apricot
Plastic Bag Sizes (mm): 270*170, 300*200, 380*230
Double-layer Thickness: 2 filaments (customizable)
Exclusive Source for Cross-border Export: Yes
Tolerance: ±0.5 cm

Product Advantages

Material

The 7-layer structure is typically formed by precisely stacking materials such as polyamide (PA), polyethylene (PE), polypropylene (PP), thermoplastic elastomer (TIE), and ethylene-vinyl alcohol copolymer (EVOH) through advanced co-extrusion technology.
Core Barrier Layer: EVOH (Ethylene-Vinyl Alcohol Copolymer)
A high-performance barrier material with exceptional resistance to oxygen, water vapor, carbon dioxide, odor molecules, and oil stains. It effectively blocks the spread of unpleasant odors from pet excrement, serving as the key to the "high barrier" functionality.
Usually, polyethylene (PE) or polypropylene (PP) form the inner and outer layers (providing flexibility and sealing properties), while the middle layer consists of the EVOH barrier. A stable structure is created through composite technology, balancing durability and barrier performance.

II. Features

Superior Odor Barrier
Compared to regular plastic pet waste bags, the EVOH layer significantly reduces odor penetration. Even when sealed after containing excrement, it minimizes odor leakage, making it ideal for indoor storage or carrying in public spaces.
Puncture & Tear Resistance
The multi-layer composite structure enhances the bag’s strength, preventing punctures from hard substances in excrement (such as undigested pet food residues) and reducing leakage risks.
Excellent Sealing
Edges are primarily heat-sealed for a tight closure. Combined with the material’s inherent ductility, it securely locks in contents, further boosting leak-proof performance.

III. Functions

Prevents the spread of fecal odors, keeping air fresh in homes, cars, parks, and other areas to avoid embarrassment and discomfort.
Seals and contains excrement, preventing bacteria and germs from spreading via odors, reducing contact infection risks—especially suitable for families with children or the elderly.
Lightweight and portable, it can be used with plastic bone-shaped outer packaging. Easily accessible during outdoor pet walks, it enables quick disposal of pet waste, complying with public health standards and promoting responsible pet ownership.