WANHAO PACKAGE 

Custom Flat Bottom Bags Manufacturer – 15 +Years Factory Direct

Engineered for superior shelf impact, our custom flat bottom pouches (box pouches) are produced in our 10,000 m² Dongguan facility. We deliver high-barrier, custom printed flexible packaging tailored with glossy/matte finishes, pocket zippers, and degassing valves for global brands.

Various custom printed flat bottom pouches and stand-up bags for food packaging

Flat Bottom Bags – Built for Your Product

Upgrade your product presentation with high-performance flat bottom bags. Built using premium food-grade barrier laminates, these versatile pouches safeguard product freshness while offering 360-degree printable surfaces for high-impact branding. Explore our tailored solutions for various industries below.

15 Years of Flat Bottom Bag Expertise

Not a generalist packaging supplier. We've focused exclusively on flat bottom bags for 15 years — we know the material, the forming process, and the potential issues before they happen. Your packaging line won't be our first.

Full Material & Finish Options

Gloss film, matte film, kraft paper, biodegradable materials, foil, and more. Combined with zippers, degassing valves, punch holes, tear notches, and custom printing up to 10 colors. One bag, endless configurations.

Certified Quality Control – No Surprises

BRCGS, HACCP, QS, and ISO9001 certified. Every batch goes through strict in-process inspection, and we keep you updated at every stage. No surprises when your containers arrive.

Factory Direct – Built to Scale

10,000 sqm own factory with automated flat bottom bag production lines. No middlemen, no broker markup. MOQ 30,000 pieces gets you factory pricing without compromise on quality.

Custom Flat Bottom Bags – Tailored for Your Product

Premium custom flat bottom bags (also known as box pouches) offer maximum shelf stability and 5 printable surfaces for high-impact branding. Engineered with high-barrier laminated structures and optional pocket zippers, our flat bottom pouches provide superior protection and extended shelf life for coffee beans, pet food, snacks, and dry nuts. Choose from custom sizes, surface finishes, and degassing valves to elevate your product packaging.

Custom spout pouch with rotogravure printing for grape drink and juice packaging, featuring integrated drinking spout and lightweight portable design

Coffee

Flat bottom bags with degassing valves keep coffee beans fresh by releasing CO₂ while blocking oxygen. Available in kraft paper or foil laminate, with custom printing up to 10 colors. Key features:Degassing Valve, Resealable Zipper, Kraft/Foil Material, Custom Print

Custom printed resealable flat bottom bags for pet food, kibble, and cat treats packaging

Pet Food

Sturdy flat bottom bags with resealable zippers keep pet food fresh and convenient for daily use. High-barrier materials protect against moisture and oxygen.

Custom printed flat bottom pouch with zipper and hang hole for cashews and coconut chips packaging

Snack & Nuts

Durable flat bottom pouches crafted for snacks and nuts, featuring high-barrier foil layers to lock in crunch and flavor. Equipped with resealable zippers to extend shelf life and prevent moisture.

Custom printed flat bottom pouch with zipper closure for granola and breakfast cereal packaging

Oatmeal

High-barrier flat bottom pouches designed to protect oats and cereal from moisture, preserving natural crispness and fresh flavor with convenient resealable zippers.

Custom printed flat bottom pouches with clear window and zipper for flour and baking powder

Flour Powder

Food-grade box pouches tailored for baking flour and grain powders, featuring leak-proof seals and optional clear windows to highlight product quality.

Custom printed high barrier flat bottom pouch with zipper for full cream milk powder packaging

Protein & Milk Powder

Premium foil-laminated packaging engineered for dairy and protein powders, offering superior light barrier, oxygen resistance, and extended shelf life.

How to Get Your Flat Bottom Bags – 4 Simple Steps

Tell Us Your Needs

Share your bag size, material, quantity, and any special requirements. We'll respond within 24 hours.

Design & Sample

Our team creates a digital proof. Once confirmed, physical samples are ready in 15 days.

Approve Sample

We ship the sample to you. Approve it, and we start mass production.

Mass Production & Delivery

Bulk production takes 15–20 days. We send you production updates throughout the process.

Frequently Asked Questions(FAQs):

Our MOQ is 30,000 pieces. We've set this number because anything below that simply isn't cost-effective — the material waste, setup time, and color matching make smaller runs uneconomical. That said, if you're running a trial or launching a new product, talk to us. We sometimes work out flexible arrangements for first-time cooperations.

Gloss film, matte film, kraft paper, biodegradable options, aluminum foil, and multi-layer laminates. You can also add zippers, degassing valves, punch holes, tear notches, and euro slots. Basically, if you can sketch it, we can probably make it.

Digital proof — 24 hours. Physical sample — 7 days. Bulk production — 15 to 20 days. We'll send you photos and updates at every stage, so you're never left guessing.

Yes. We hold BRCGS, HACCP, QS, and ISO9001 certifications. All materials that come into contact with food are compliant with international food safety standards. We've passed audits from major food brands — and we're happy to share our certificates.

Yes, up to 10-color gravure printing. Our cylinders come with a 2-year guarantee — if the print quality drops within that period, we replace them at no cost. Free layout design is also included.

standards. We've passed audits from major food brands — and we're happy to share our certificates.

We offer free design consultation and digital mockups. Physical samples are available for a small fee, which we'll deduct from your first bulk order. We think that's fair — you get to test the quality, and we don't give away production for free.

Send Us a Quick Message

Fill in the form below and we’ll reply within 24 hours.

*(For urgent inquiries, call us directly at +86 13802378005)*

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