Custom Flat Bottom Pouches Manufacturer – Factory Direct from China
Ruihong Packaging is a specialized manufacturer producing custom flat bottom pouches (quad seal / box bottom pouches) at scale. With 55+ in-house bag-making lines and 11-color gravure printing, we deliver stable-standing, high-barrier pouches that maximize your product’s shelf presence. Trusted by global brands since 2017 for premium coffee, pet food, and snack packaging.
Flat Bottom Pouch Structures We Manufacture
Choose from multiple structural designs to achieve the perfect shelf stand and fill volume
Quad Seal Flat Bottom Pouches
Four vertical seals with flat bottom panel – superior shelf stability, ideal for premium coffee and pet food.
Side Gusset Flat Bottom Pouches
Traditional side gusset with flat bottom seal, excellent fill capacity for larger volume products.
Kraft Paper Flat Bottom Pouches
Natural kraft exterior with inner barrier layers, popular for organic coffee and artisanal tea brands.
High Barrier Aluminum Foil Pouches
PET/AL/PE structure for maximum oxygen and moisture barrier, extends shelf life beyond 18 months.
Box Bottom (K-Seal) Pouches
Reinforced K-seal flat base, box-like appearance when filled, maximum shelf impact in retail environments.
Valve & Zipper Combo Pouches
One-way degassing valve plus resealable zipper on flat bottom – the gold standard for fresh roasted coffee.
Flat Bottom Pouch Manufacturing Specs At A Glance
Key production parameters for custom quad seal and box bottom pouches
MOQ
1,000 pcs (Digital)
10,000 pcs (Gravure)
Lead Time
10-12 days (Digital)
18-22 days (Gravure)
Bottom Panel Width
40mm – 150mm
Fully customizable
Side Gusset Depth
30mm – 120mm
Adjustable per design
Printing Colors
Up to 11 colors
Gravure / Digital
Compliance
FDA, EU, ISO 9001
Food contact safe
Full Customization – Your Flat Bottom Pouch, Your Specifications
As a direct manufacturer, we customize every dimension, material layer, and accessory to match your product precisely
Custom Dimensions
Width 100-350mm, height 150-450mm, bottom panel 40-150mm, side gusset depth fully adjustable
Material Structure
PET/PE, PET/AL/PE, Kraft/VMPET/PE, PET/VMPET/PE, and custom multi-layer laminations
Thickness Range
90-180 micron (3.5-7 mil), engineered for your product weight and required shelf life
Premium Printing
11-color gravure with high-fidelity color matching, matte/gloss/soft-touch finishes available
Accessories Integration
Zipper (press-to-close), one-way valve, tear notch, hang hole, euro slot, handle
Surface Effects
Matte lamination, soft-touch coating, spot UV, registered matte-gloss contrast, frosted finish
Flat Bottom Pouches – Trusted Across Premium Product Categories
The preferred packaging format for brands demanding superior shelf presence and product protection
Flat Bottom Pouch Projects Delivered for Global Brands
Recent manufacturing cases showcasing our quad seal and box bottom pouch capabilities
Specialty Coffee Roaster | USA
Quad seal, kraft/VMPET/PE, degassing valve + zipper, matte finish, 11-color printing, 50,000 pcs/month ongoing.
Pet Food Brand | Netherlands
Box bottom pouch, PET/AL/PE, 140μm thickness, 150mm bottom panel, 100% leak-tested, 5kg fill capacity.
Organic Tea Brand | Australia
Kraft paper flat bottom with matte lamination, zipper closure, registered matte-gloss contrast, 12-month shelf life.
Snack Brand | Canada
PET/VMPET/PE side gusset flat bottom, euro hang hole, 8-color gravure, 200,000 pcs delivered in 25 days.
Protein Brand | UK
Quad seal, PET/AL/PE, heavy-duty 160μm structure, reinforced bottom seal, moisture barrier <0.5 g/m²/day.
Cosmetic Brand | France
Box bottom pouch, soft-touch matte lamination, spot UV logo, premium tactile finish for luxury bath salts.
Why Global Buyers Choose Ruihong as Their Flat Bottom Pouch Manufacturer
8+ years of specialized flexible packaging manufacturing, serving importers and brand owners worldwide
Scalable Factory Capacity
55+ bag-making machines across 12 production lines, capable of handling 5M+ pouches/month with consistent quality.
11-Color Gravure Excellence
Far exceeding the industry average of 7-9 colors. Your brand colors and fine details are reproduced with precision.
Multi-Point QC System
6 dedicated QC stations from raw material to finished pouch. 100% visual inspection and random leak testing per batch.
Export-Ready Compliance
FDA, EU Regulation (EC) No 1935/2004, ISO 9001 certified. Full documentation support for customs clearance.
Recommended Material Structures for Flat Bottom Pouches
Engineered laminations balancing barrier performance, rigidity, and cost for your product type
PET / PE
Standard Clarity & Rigidity
- Best for: Dry snacks, candy, granola
- Thickness: 90-110μm
- Good stiffness for shelf standing
PET / VMPET / PE
Metallized Medium Barrier
- Best for: Snacks, dry food, powder mixes
- Thickness: 100-130μm
- Metallic sheen for premium look
PET / AL / PE
Maximum Barrier – Aluminum Core
- Best for: Coffee, pet food, long shelf life
- Thickness: 120-160μm
- OTR < 0.1 cc/m²/day
Kraft / VMPET / PE
Natural Look + Barrier
- Best for: Coffee, tea, organic products
- Thickness: 120-150μm
- Eco-perceived matte exterior
Custom structures available upon request. Our engineers can recommend the optimal lamination based on your product’s fat content, expected shelf life, and filling process.
Our Flat Bottom Pouch Manufacturing & QC Workflow
Standardized processes ensure consistent quality across every production batch
Artwork & Structure Confirmation
Free die-line support, material structure recommendation
Cylinder Engraving & Printing
11-color gravure, food-grade inks, color proofing
Lamination & Curing
Solvent-free lamination, 48hr curing for bond strength
Bag Making & Seal Inspection
Quad seal / box bottom forming, seal strength tested per batch
Final QC & Export Packing
100% appearance check, export-standard cartons, on-time dispatch
Flat Bottom Pouch Sample Policy
Evaluate our manufacturing quality before committing to a production order
Free Stock Samples
- For material feel and workmanship evaluation
- No custom printing, random size/style
- Sample cost: Free
- Freight: Collected by your courier account
- Delivery: 3-5 working days
Custom Digital Samples
- With your design, size, and structure
- Digital printing for visual confirmation
- Sample cost: Charged per specification
- Freight: Collected or prepaid
- Delivery: 10-12 working days
Note: Gravure-printed samples are not provided before mass production due to cylinder cost. Sample fees can be deducted from your bulk order under qualifying conditions. Contact Jason for details.
What Buyers Say About Our Flat Bottom Pouches
Feedback from brand owners and importers who trust our manufacturing
“The quad seal flat bottom pouches from Ruihong transformed our coffee shelf presence. The 11-color printing is exceptional, and the valve integration is flawless. We’ve been ordering consistently for 2 years.”
“As a pet food importer, I need reliable manufacturers. Ruihong’s flat bottom pouches withstand 5kg fill weight with zero seal failures. Their QC documentation gives me confidence for EU market compliance.”
“We switched from stand-up pouches to Ruihong’s box bottom pouches for our tea line. The shelf stand is noticeably more stable, and our retail partners love the premium look. Great manufacturer partnership.”
Frequently Asked Questions About Custom Flat Bottom Pouches
Answers to common questions from buyers sourcing flat bottom pouch manufacturers
Quad seal pouches have four vertical seal lines (two side seals + two gusset seals) with a flat bottom panel, giving a sleek rectangular look. Box bottom (K-seal) pouches have a reinforced bottom seal that creates a box-like shape when filled. Both offer excellent shelf stability. Our team can recommend the best option based on your product volume and shelf display needs.
For gravure printing, MOQ starts at 10,000 pcs. For digital printing (ideal for trial orders or small brands), MOQ starts at 1,000 pcs. Exact MOQ depends on pouch dimensions and material structure.
Absolutely. We regularly manufacture flat bottom pouches with integrated one-way degassing valves for coffee brands. We use high-quality valves from certified suppliers to ensure reliable CO₂ release and oxygen protection.
Standard lead time is 18-22 working days for gravure printing after design confirmation and deposit. Digital printing takes 10-12 working days. Rush orders can be discussed depending on current production schedule.
Yes. We manufacture heavy-duty flat bottom pouches with reinforced bottom seals and thicker material structures (up to 180μm) specifically designed for 2-5kg fill weights, commonly used for pet food and bulk coffee.
Yes. All food-contact materials comply with FDA and EU (EC) No 1935/2004 regulations. We provide relevant test reports and certificates with each shipment for your customs clearance and compliance records.
Yes. Bottom panel width (40-150mm) and side gusset depth (30-120mm) are fully customizable to match your desired fill volume and shelf footprint. Our engineers will confirm the optimal dimensions based on your product density.
We offer matte, gloss, soft-touch, frosted, and spot UV finishes. Registered matte-gloss contrast is also available for a premium visual effect. All finishes are applied during the lamination stage.
Related Packaging Solutions From Our Factory
Explore complementary pouch styles manufactured by Ruihong Packaging
Stand Up Pouches
Classic Doypack style with zipper, spout, and valve options for all product types
Spout Pouches
Leak-proof spout integration for juices, sauces, and liquid detergents
3 Side Seal Bags
Cost-effective flat bags for single-serve sachets and sample packaging
Vacuum Pouches
High barrier pouches for vacuum sealing meat, cheese, and long-term food storage
Get Your Custom Flat Bottom Pouch Manufacturer Quote
Send us your size, material, quantity, and design requirements. Our export specialist Jason will reply with a detailed quotation and material recommendation within 24 working hours.
- ✅ Free quotation within 24 working hours
- ✅ Professional material structure recommendation
- ✅ Free die-line and layout support
- ✅ Factory-direct pricing – no intermediary markup