Runlong Pack Resources

Flexible Packaging Knowledge Center

Explore practical flexible packaging guides for brands, manufacturers and packaging buyers covering materials, printing, MOQ, bag sizes, costs and custom packaging decisions.

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Browse Flexible Packaging Guides by Topic

Find practical guidance based on the packaging decision you are currently trying to make.

01
Packaging Buying Guides Supplier selection, quotation preparation and purchasing decisions.
02
Printing & MOQ Compare digital and gravure printing, order quantities and SKU planning.
03
Materials & Barrier Flexible packaging structures, barrier layers and material selection.
04
Bag Size & Dielines Pouch dimensions, fill capacity, headspace and packaging dielines.
05
MOQ & Cost Factors Understand how quantity, materials, printing method, bag size and SKUs affect cost efficiency.
06
Packaging Applications Coffee, tea, snacks, pet food, frozen food and other packaging applications.

Latest Packaging Guides

Explore the latest practical guides on flexible packaging materials, printing, MOQ, sizing, cost and sourcing.

  • Packaging Bag Size Guide: Stand-Up Pouch, Flat Bottom Bag and Snack Bag Capacity

    Packaging Bag Size Guide: Stand-Up Pouch, Flat Bottom Bag and Snack Bag Capacity

    Learn how to select packaging bag dimensions by product volume, pouch type and filling method, with practical references for food, coffee and snacks.

    Read Guide →

  • Flexible Packaging Material Structures Explained: PET, PE, PA, EVOH, AL, VMPET, CPP and More

    Flexible Packaging Material Structures Explained: PET, PE, PA, EVOH, AL, VMPET, CPP and More

    Learn how flexible packaging material structures work, what PET, PE, PA, VMPET, aluminum foil and EVOH do, and how buyers can select a suitable…

    Read Guide →

  • Digital Printing vs Gravure Printing for Flexible Packaging

    Digital Printing vs Gravure Printing for Flexible Packaging

    Compare digital and gravure printing for flexible packaging, including real MOQ ranges, cylinder costs, SKU considerations, and the best option by order size.

    Read Guide →

  • Custom Flexible Packaging MOQ: Runlong Pack Minimum Order Guide

    Custom Flexible Packaging MOQ: Runlong Pack Minimum Order Guide

    A practical guide to Runlong Pack’s actual minimum order quantities, recommended order volumes, and the factors that affect flexible packaging MOQ.

    Read Guide →

  • How to Choose a Reliable Custom Packaging Manufacturer in China

    How to Choose a Reliable Custom Packaging Manufacturer in China

    Choosing the right custom packaging manufacturer is one of the most important decisions for food brands, coffee companies, tea businesses and product developers. A…

    Read Guide →

Packaging Applications

Explore Packaging Solutions by Application

Move from packaging research to application-specific solutions for coffee, tea, snacks, pet food, frozen food and automatic packaging.

01

Coffee Packaging

Explore flat bottom, side gusset and stand-up coffee bags with options such as resealable zippers and one-way degassing valves.

Explore coffee packaging
02

Tea Packaging

Review packaging formats for loose-leaf tea, herbal tea and other tea products, including flat bottom, side gusset and kraft-style pouches.

Explore tea packaging
03

Snack Packaging

Explore packaging for chips, nuts, dried fruit, candy and other snacks with different barrier, pouch and rollstock requirements.

Explore snack packaging
04

Pet Food Packaging

Review packaging options for dry pet food, treats, freeze-dried products and related applications with resealable and high-barrier pouch structures.

Explore pet food packaging
05

Frozen Food Packaging

Explore flexible packaging for frozen food, seafood, desserts and other products requiring suitable sealing and low-temperature performance.

Explore frozen packaging
06

Printed Rollstock Film

Explore custom printed rollstock film for automatic packaging lines, including food, snack and other flexible packaging applications.

Explore rollstock film
Looking for a different packaging application?

Runlong Pack works with multiple flexible packaging formats, materials and filling requirements. Share your product information if you are not sure which solution page is the best starting point.

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Turn Research Into a Packaging Project

Need Help Choosing the Right Flexible Packaging?

If you have already reviewed the guides but are still unsure about pouch type, material structure, printing method, bag size or order quantity, send us your project information. Runlong Pack can review the requirements and discuss suitable packaging options with you.

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What to Include in Your Inquiry

You do not need to know every packaging specification before contacting us. The following information is enough to start.

✓ Product name and target fill weight or volume
✓ Preferred pouch type or existing packaging reference
✓ Estimated order quantity and number of SKUs
✓ Required features such as zipper, valve, spout or window
✓ Artwork, photos or an existing packaging sample if available
Custom Packaging Premade pouches and printed flexible packaging solutions.
Buyer-Focused Guidance Packaging recommendations based on actual project requirements.
From Samples to Production Support through packaging evaluation, artwork and production planning.