Specifications
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Item |
Description |
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Backing Material |
PET Film/EPE Foam |
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Sealing Compatibility |
HDPE or PET bottles |
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Thickness |
0.25-0.35mm (Customizable) |
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Die Cut Diameter |
25mm–120mm (Customizable) |
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Printing |
Custom logo/text printing |
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Vent hole diameter |
6mm |
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Place of origin |
Guangdong,China |
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Inventory |
None |
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Order lead time |
7-25 working days |
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MOQ |
50,000 pcs/size |
One Piece Airflow Venting Liner | Premium Pressure Equalization Seal
Solve Container Deformation & Swelling with Our High-Performance One Piece Airflow Venting Liner
One Piece Airflow Venting Liner, the engineered sealing solution designed to eliminate packaging failures caused by pressure imbalance. By integrating a breathable membrane directly onto a one piece induction seal, this liner enables continuous air exchange, effectively preventing bottle distortion, swelling, and seal rupture due to internal gas generation or atmospheric changes during shipping and storage.
Ideal for liquid and viscous products in cosmetics (body lotion, mouthwash), personal care, chemical (e.g., hydrogen peroxide), and food & supplement packaging, this liner ensures product integrity from the production line to the end-user.

Why Choose US
Engineered for Long-Term Reliability: We use only premium-grade, waterproof, and oil-resistant breathable membranes. Unlike cheaper alternatives that clog easily, our membrane maintains consistent airflow over time, ensuring permanent pressure equalization and preventing costly packaging failures.
Guaranteed Seal Integrity: Each liner is manufactured using specialized custom welding machinery operated by experienced technicians. This process ensures a complete, robust bond between the film and seal layer, eliminating risks of leakage.
Rigorous Quality Validation: Every production batch undergoes stringent pressure and airflow rate testing. This guarantees you receive a consistently high-performing product that meets exacting standards.
Customizable for Your Needs: The induction seal layer is available in PP, HDPE, PET, and other materials to perfectly match your container. The clean white backing provides an excellent surface for high-quality logo printing in multiple colors.

Packaging & Delivery Options
We ensure safe delivery with our protective five-layer packaging. For standard orders, liners are bulk-packed. For high-volume automated production lines, we offer convenient reel-to-reel or strip packaging compatible with automatic lining equipment. Export-ready palletization is available.
Optimize Your Packaging Performance
Choose our One Piece Airflow Venting Liner for a durable, reliable, and cost-effective solution to pressure-related packaging challenges. Protect your brand reputation and enhance customer satisfaction.
Contact us today for a quote or to request samples. Let our expertise safeguard your products.
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