CUSTOM FLAT POUCH PACKAGING SOLUTIONS

Three Side Seal Food Packaging Bags Manufacturer

Custom Printed 3 Side Seal Pouches for Snacks, Powders, Frozen Foods & Single-Serve Packaging.

FDXPACK manufactures custom three side seal food packaging bags with flexible material structures, high-quality printing and multiple functional options. From small sachets to larger flat pouches, we help food brands and manufacturers develop packaging tailored to their products.

  • Custom Sizes & Materials
  • High Barrier Film Options
  • Digital & Rotogravure Printing
  • MOQ from 1,000 PCS per Size
Custom printed three side seal sachets for herbal tea with colorful botanical designs.

Module 02 — Food Packaging Applications

Custom Three Side Seal Bags for Different Foods

Explore flat pouch packaging solutions for snacks, powders, frozen foods and single-serve products.

Snack & Confectionery Pouches

Custom three side seal pouches for nuts, candy, biscuits and dried fruit. Available with barrier materials, easy-tear notches and custom printed designs.

Applications

Nuts / Candy / Biscuits / Dried Fruit

Custom stick sachet packaging for instant beverage powder, coffee, matcha, milk tea and fruit drink mix stick pouches

Powder & Seasoning Sachets

Compact three side seal sachets for seasoning powders, drink mixes and food ingredients. Customize the pouch dimensions, film structures and opening features.

Applications

Seasonings / Drink Mixes / Food Powders

Customer selecting custom printed three side seal frozen dumpling packaging from a supermarket freezer.

Frozen Food Packaging Pouches

Flexible three side seal pouches for selected frozen food applications, with material options developed around low-temperature storage, durability and sealing requirements.

Applications

Frozen Fruit / Dumplings / Frozen Snacks

Convenient portion-control sachets for sauces, condiments, dressings, and liquid seasonings.

Sauce & Single-Serve Pouches

Custom three side seal pouches for sauces, condiments and single-serve food portions. Material and sealing specifications can be selected according to filling conditions and product requirements.

Applications

Sauces / Condiments / Single-Serve Foods

Module 03 — Pouch Structure & Features

Three Side Seal Pouch Structure & Features

A flat pouch design with three sealed edges and customizable opening, closure and display features.

Pouch structure

Before filling
Three side seal pouch delivered with an open top The left, right and bottom edges are pre-sealed. The top remains open for filling. A dashed guide indicates where the final top seal will be made after filling; it is not an existing seal. An optional tear notch is shown on the left side. Filling OpeningPouch BodyTop SealAfter filling onlyTear NotchOptionalSide SealsPre-sealed bottom edge
Three pre-sealed edges
Future top seal guide
Delivered with two side seals and one bottom seal. The top stays open for filling and is sealed afterward. Dashed lines indicate the future top seal area, not an existing closure. Diagram is illustrative and not to scale.

Simple Structure, Flexible Customization

Three side seal pouches feature sealed edges on three sides, leaving one side open for filling before final sealing. This compact structure is suitable for a wide range of flat food packaging applications.

Pouch dimensions, sealing areas, tear notches and optional closures can be customized according to product and filling requirements.

  1. Easy-Tear Notch

    A convenient opening feature for single-use and portion-controlled food packaging.

  2. Resealable Zipper

    Optional zipper closure for selected flat pouches requiring repeated opening and closing.

  3. Hang Hole

    Round or Euro slot hanging holes for suitable retail display packaging.

  4. Custom Seal Width

    Adjustable sealing areas based on pouch dimensions, film structure and filling requirements.

Customize Your Pouch

Customizable Feature Details

Explore opening, closure, display and sealing options for your product.

Close-up of an easy-tear notch on a custom printed food packaging pouch.

Easy-Tear Notch

A small notch in the sealed edge helps consumers open the pouch conveniently.

Resealable zipper closure on a flexible food packaging bag filled with mixed nuts.

Resealable Zipper

An optional closure for suitable pouch formats that need repeat access.

Custom food packaging pouches with round and Euro slot hang holes for retail display.

Hang Hole

Choose a round hole or Euro slot for compatible retail display hooks.

Close-up of custom heat-sealed edges on kraft, aluminum foil and transparent food packaging bags.

Custom Seal Width

Specify sealing areas to suit the pouch size, film structure and filling process.

Frequently Asked Questions

What makes a flexible pouch suitable for food contact?

Suitability depends on the materials used, intended food type, contact duration, temperature and applicable regulatory requirements.

Can you provide FDA-related food-contact test reports?

Selected food packaging samples have been tested against specified FDA-related requirements. Report applicability should be confirmed for the requested product.

Can I customize the packaging material and thickness?

Yes. We offer custom material structures, film thicknesses, pouch sizes, printing and functional features.

What is your minimum order quantity?

Standard bulk production starts from 1,000 pieces per size, depending on packaging specifications. Custom sampling is also available.

Can you help with packaging for the EU market?

We can discuss material options and documentation requirements. EU food-contact compliance and additional testing must be verified for the specific packaging.

How do I request a quotation?

Share your food product, pouch type, dimensions, material requirements, artwork and estimated order quantity.

Custom Food Packaging from Sampling to Production

Flexible customization for food brands, co-packers and importers—from material selection and artwork to finished pouch production.

Size & Thickness

Custom dimensions and film thickness for different filling volumes.

Pouch Structures

Stand-up pouches, flat bottom bags, three-side seal bags, sachets and roll film.

Printing Options

Digital printing for smaller runs and rotogravure printing for volume production.

Barrier & Sealing

Material structures selected according to oxygen, moisture and sealing requirements.

Functional Features

Zippers, tear notches, valves, hang holes and other compatible features.

Artwork & Finishing

Custom graphics, matte or glossy finishes and selected decorative effects.

About us banner of Shenzhen Fudaxiang Packing Products Factory, packaging bag manufacturer with 17+ years experience.

Why Work with FDXPACK?

With 17+ years of flexible packaging manufacturing experience, FDXPACK offers digital and rotogravure printing to support different order sizes, designs and packaging requirements.

Custom sample development is available, and bulk production starts from 500 pieces per size, subject to packaging specifications.

  • 17 Years Manufacturing Experience
  • Digital & Rotogravure Printing
  • Custom Sampling Available
  • Bulk MOQ from 500 PCS per Size

 Quality Assurance & Certification

We eliminate uncertainty through rigorous quality management systems and internationally recognized certifications.

Quality Management

  • ISO9001 Quality Management System
  • BSCI Social Responsibility Certification
  • GRS Recycled Resource Certification

Food Safety Compliance

  • FDA Food Grade Product Certification
  • GB4806 Food Packaging Test Reports
  • BRCS Food Packaging Certification

Customer Testimonials & Case Studies

Don't just take our word for it. See how we've helped leading brands solve their packaging challenges.

Trusted By Industry Leaders

BRC Food certification logo for food packaging quality and safety
FDA compliance logo for food-grade flexible packaging
Green Dot recycling certification logo for sustainable packaging
ISO 9001 quality management certification logo

Success Story

Sustainable Packaging Solution for Global Brands

We helped a leading beverage company reduce plastic usage by 40% while maintaining product integrity. Our innovative biodegradable packaging solution resulted in significant cost savings and positive consumer feedback.

Transparent Procurement Process & Pricing 💰 

Lower decision barriers and improve inquiry quality with our streamlined 5-step process

5-Step Procurement Process

1️⃣

Submit Requirements

Specifications, quantity, printing details

2️⃣

Get Quote

Response within 2 hours

3️⃣

Confirm Sample

Paid sampling $49

4️⃣

Pay Deposit 30%

15-20 days production

5️⃣

QC & Shipment

SGS inspection report provided

Net 30 terms available for established customers

Production Capability

Professional Food Packaging Bags Factory

Equipped with advanced production lines and strict quality management to ensure stable supply and consistent quality.

Food Packaging Bags Production Process

Purpose-built equipment supports precision, speed, and repeatable packaging quality.

Quality Managed
Composite workshop

High-speed Printing Capability

Advanced printing equipment delivers precise patterns, vibrant colors, and consistent quality for customized food packaging bags.

Flexible packaging lamination production process in FDXPACK factory

Professional Lamination Process

Multi-layer lamination technology improves barrier performance and provides reliable protection against moisture and oxygen.

Cutting Bags workshop

Automatic Bag Production

Automated bag-making lines ensure accurate sizes, strong sealing, and efficient mass production.

Flexible packaging quality inspection process in FDXPACK factory

Strict Quality Inspection

Professional inspection procedures check materials, printing, sealing, and finished bags before shipment.

Manufacturing Excellence

Building trust through capability and precision

Quality Control Process

01

Three-step inspection system: self-inspection, patrol inspection, and shipment inspection

02

In-house laboratory testing capabilities

03

Comprehensive documentation and traceability

Production Capacity

01

Annual production exceeding 1,500 tons

02

7,500 square meter factory facility

03

Over 90 skilled technical employees

Flexible Packaging Production Process

Watch our flexible packaging production process, including printing, lamination, bag making, inspection, and finished packaging production.

Years of Experience
17+
Annual Shipments
500+
Skilled Staff
90+
Machines & Equipment
50+

Request a Quote

Fill out the form below and our team will provide you with a customized quote within 8 hours.

Project Information

Specific Requirements

Contact Information

Alternative Contact Options

Prefer to reach us directly? Choose your preferred method below:

Email Us

emma@fdxpack.com

WhatsApp Business

+86 189 0285 7096

Why Choose Us?

  • Quotes delivered within 8 hours
  • Free design consultation
  • Eco-friendly material options

Company Background

With over 15 years of industry experience, our company has established itself as a leader in providing high-quality solutions to clients worldwide. Our team of experts is dedicated to delivering exceptional products and services that meet the highest standards of quality and innovation.

Custom flexible packaging samples representing FDXPACK manufacturing experience

Established 2008

Serving clients in over 30 countries