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In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging Featured Image
  • In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging
  • In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging
  • In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging
  • In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging
  • In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging
  • In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging

In Stock Clear Three Side Sealed Bag in Box With Valve | NY/PE Food Grade Liquid & Tea Packaging

OK Packaging is a 20+ years custom Bag in Box With Valve   manufacturer with production bases in China, Thailand & Vietnam. We supply bulk & custom packaging for B2B brands.


  • Material: NY15/PE55,Custom Material.
  • Scope Of Application: Liquid packaging.
  • Product Thickness: 70μm,Custom Thickness.
  • Size: 570*500,Custom Size
  • Bag Features:: tight leakproof heat sealing, reusable air-isolating valve, high transparency and excellent moisture/oxygen barrier properties
  • Samples: We offer free samples and support prototyping before bulk orders.
  • Certificates:: FDA,GRS,BRC,EPR,SEDEX,WCA,QS,ISO,PCR
  • Production Bases:: China, Thailand, Vietnam, global rapid response.
    • Product Detail
    Product Tags

    1. NY/PE Food Grade Clear Three Side Sealed Bag in Box Manufacturer – Custom Bulk Packaging Manufacturer

    Dongguan OK Packaging Manufacturing Co., Ltd. is a professional bag in box bulk manufacturer with over 20 years of expertise in the flexible packaging and printing industry. Through our official website www.gdokpackaging.com, we specialize in delivering high-quality packaging solutions to large-scale wholesalers, manufacturers, traders, and brand companies worldwide. We operate three advanced production facilities: one in Dongguan, China, and two overseas plants in Thailand and Vietnam, enabling us to efficiently fulfill large-volume orders, shorten lead times, and reduce logistics costs for our B2B clients. Our core business encompasses the R&D, production, and customization of bag in box and other food-grade flexible packaging products, adhering to stringent printing and packaging industry standards as well as global safety certifications.

    In Stock Clear Three Side Sealed Bag in Box With Valve NYPE Food Grade Liquid & Tea Packaging (6)

    2. Product Overview

    What Is Three Side Sealed Bag in Box With Valve

    A clear three side sealed bag in box with valve is a professional industrial flexible packaging solution engineered for food-grade liquid packaging. Manufactured with premium NY/PE composite material and a fully integrated three-side heat-sealed structure paired with a food-grade safety valve, this bib pouch delivers excellent leakproof performance, tight sealing stability and reusable resealing functionality. It reliably preserves the original flavor and freshness of dry tea, brewed tea liquid and a wide range of edible liquids throughout storage, transportation and repeated use cycles.

    Core Market Advantages

    Conventional transparent liquid pouches without valve structures suffer from poor barrier properties, easily causing liquid oxidation, moisture ingress, flavor degradation and secondary contamination. Our NY/PE three side sealed valve pouch solves these common industry pain points by combining high-clarity transparent visualization with industrial-grade moisture and oxygen barrier performance. Versatile in application, it serves as premium inner packaging for tea liquid, while also compatible with various edible liquids. It is a cost-effective, high-reliability packaging choice trusted by global food beverage manufacturers, brand owners and trading companies.

    3. Premium NY/PE Composite Material Structure

    Industrial-Grade NY/PE Composite Film for Liquid Packaging

    Our NY/PE transparent bag in box with valve adopts standardized industrial composite formulation dedicated to food liquid packaging. The outer Nylon (NY) layer enhances tensile strength, puncture resistance and structural rigidity, effectively preventing pouch deformation, film rupture and damage during long-distance cross-border logistics and bulk stacking. The inner food-grade Polyethylene (PE) layer features superior heat-sealing performance and stable chemical inertia, fully compliant with global food contact safety standards. Matched with an integrated food-grade PP valve, the pouch achieves seamless integral sealing with zero leakage risk, ensuring hygienic and long-term safe storage for tea liquid and other non-corrosive edible liquids.

    Excellent sealing and no risk of leakage.
    Sealed neatly and with high strength
    High clarity for excellent product display

    4. Core Product Features & Functional Strengths

    Precision Three-Side Heat Sealing & Integrated Valve Design

    This leakproof three side sealed valve pouch adopts high-temperature integral heat pressing technology to form uniform, firm and crack-proof sealing edges, eliminating common defects such as weak sealing, edge cracking and liquid leakage found in ordinary liquid packaging. The built-in food-grade valve enables smooth, controllable liquid outflow and flexible resealing after each use, isolating external air and effectively slowing down liquid oxidation to extend product shelf life.

    High-Clarity Transparent Display for Brand Value Upgrade

    Crafted with high-transparency NY/PE composite film, the pouch intuitively displays the color, texture and purity of packaged tea products and edible liquids. It upgrades product premium appearance and retail shelf competitiveness, helping beverage and tea brands build transparent, high-quality brand images and capture market favor.

    Reliable Barrier Performance for Complex Supply Chains

    Equipped with excellent oxygen barrier, moisture-proof and anti-oxidation properties, our transparent tea packaging with valve adapts to variable temperature and humidity environments and complex cross-border transportation conditions. It maintains stable sealing and fresh-keeping performance for tea liquid, brewed tea and various edible liquids throughout the whole supply chain, making it a standardized and reliable packaging solution for global liquid food manufacturers and bulk purchasers.

    5. Food-Grade Safety & Global Export Compliance

    Authoritative Food Contact Certifications
    All food grade NY/PE valve packaging strictly complies with international food safety standards and has obtained authoritative certifications including FDA, LFGB and EU 1935/2004. No harmful chemical additives are used in production, ensuring safe and harmless direct contact with tea and other food-grade liquid products.
    Standardized Production & Export Qualification
    All products are produced in dust-free purification workshops, with full-process quality inspection covering raw material incoming inspection, semi-finished product testing and finished product sampling. Stable and standardized quality meets export requirements for Europe, America, Southeast Asia and other mainstream global markets, helping B2B customers avoid customs detention, returns and economic losses caused by unqualified packaging.

    6. Applications of Clear Three Side Sealed Bag in Box With Valve

    Ideal for sealed storage and batch filling of freshly brewed tea, cold-brewed tea and concentrated tea liquid. Beyond tea products, this NY/PE valve pouch supports packaging for multiple non-corrosive edible liquids, including fruit juice, plant-based drinks and herbal liquid. The professional anti-oxidation valve structure effectively stabilizes liquid taste and freshness, fully adapting to factory batch production, commercial bulk storage and retail sales scenarios.

    7. OK Packaging Global Factory Strength

    20+ Years Professional Flexible Packaging Manufacturing
    Dongguan OK Packaging Manufacturing Co., Ltd. is a professional flexible packaging manufacturer with over 20 years of focused R&D and production experience in food-grade flexible packaging. We specialize in customized packaging solutions for tea, beverage and food industries, serving hundreds of global well-known brands and international trading enterprises with stable quality and professional technical support.

    Global Production Layout: China, Thailand, Vietnam
    Different from small processing workshops, we have built standardized modern production bases in China, Thailand and Vietnam. The cross-border multi-factory layout supports ultra-large order production, ensures stable and sufficient supply capacity, and shortens delivery cycles for global B2B customers.

    Automated Production & Strict QC System
    Equipped with fully automated lamination, slitting, heat sealing and valve mounting production lines, we implement full-process standardized quality control from raw material procurement to finished product delivery. Ultra-low defective rate and consistent product stability support long-term large-batch cooperative orders for global wholesalers and brand manufacturers.

    8. B2B Wholesale & Custom Packaging Services

    In-Stock Standard Sizes for Fast Delivery
    We maintain sufficient inventory of standard in stock three side sealed valve bib packaging. Spot goods support fast global delivery and urgent order replenishment, efficiently solving market supply timeliness issues for brand sellers and distributors.

    Ultra-Large Order Acceptance for Global Wholesalers
    Leveraging cross-border multi-factory production capacity, we professionally undertake large order three side sealed valve bag bulk procurement demands from large-scale brand manufacturers, chain enterprises and international wholesalers, providing long-term stable supply guarantees.

    Personalized Customization for Size, Thickness & Printing
    We provide one-stop customized services including non-standard size adjustment, film thickness optimization, brand logo printing and personalized pattern design. Whether for small-batch trial customization or mass production, we deliver high-cost-performance tailored packaging solutions for clear three side sealed bag in box with valve wholesale clients.

    9.Contact Us

    If you are looking for a reliable custom bag in box manufacturer for bulk orders, custom solutions, or wholesale cooperation, contact OK Packaging today. We provide professional service, stable quality, and competitive pricing for global B2B clients.

    Visit www.gdokpackaging.com to submit a customization request
    Contact our sales team via email/WhatsApp for a free quote and sample
    Explore our factory tour and production process on our official site
    Dongguan OK Packaging—your trusted partner for high-quality, custom flexible packaging since 1996.

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