Flat Bottom Coffee Bag with Valve
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Flat bottom coffee bags with a one-way degassing valve to protect flavor and freshness for roasters and subscription coffee brands.
$0.57
UNLIMITED CUSTOMIZATION OPTIONS
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Technical Specifications
| Dimensions | Available in Custom Sizes |
| Printing | CMYK, Pantone Color, Full Color & No Printing |
| Material | Food-Grade Mylar, Aluminum Foil Laminate, Kraft Mylar & Clear Mylar |
| Finish | Matte, Glossy & Metallic Finish |
| Features | Heat Sealing, Resealable Zipper, Tear Notch, Hang Hole |
| Custom Options | Clear Window, Child-Resistant Zipper, Custom Printing, Matte/Gloss Coating |
| Proof | Digital Proof, 3D Mock-Up |
| Shipping | Shipped FLAT (Free Shipping Across USA & Canada) |
| Help | For further inquiries and Quotes, contact us or email at sales@cratpackaging.com |
The flat bottom coffee bag with valve lets freshly roasted beans release CO2 without letting oxygen in, keeping coffee at peak flavor from the roaster’s packout line to the customer’s grinder.
Flat Bottom Coffee Bag With Valve Specifications
| Box Style | Flat, squared bottom gusset with one-way degassing valve |
| Material | Foil or metallized barrier laminate, kraft exterior option |
| Assembly | Pre-formed, fill and seal at packout, stands upright unfilled |
| Best For | Coffee roasters, subscription coffee brands, cafes selling retail bags |
| Print Options | Full-color CMYK, matte or gloss finish, foil accents |
| Order Volume/MOQ | Low minimums for small roasters, bulk pricing at production scale |
| Shipping | Flat-packed cases ship nationwide from US facilities |
Why the Valve Matters
Freshly roasted coffee releases carbon dioxide for days after roasting. A one-way degassing valve lets that gas escape without letting outside oxygen in, which prevents the bag from bulging or bursting and keeps beans tasting fresh instead of stale or flat.
Who Buys This Style
Coffee roasters selling retail bags, subscription coffee brands shipping fresh-roasted orders, and cafes packaging beans for takeaway sale all depend on the valve to protect flavor between roast date and brew date.
Eco-Friendly Options
A 2025 McKinsey survey found that over 60% of U.S. consumers pick green packaging when they have the choice, and recyclable kraft-exterior and mono-material barrier film options are available while keeping full valve functionality.
Format and Print Options
Full-color CMYK printing supports roast-date labels, origin story graphics, and farm certifications, while matte or gloss finishes and foil accents give retail bags a premium café-shelf look.
Practical Advantages
The squared base stands upright on café counters and grocery shelves alike, the valve extends usable shelf life without refrigeration, and flat shipping keeps freight costs manageable for roasters shipping nationwide.
Why Order From Crat Packaging
- Direct manufacturing with no middleman markup
- Reliable one-way valve sourcing built into every bag
- Foil and barrier laminate options for true freshness protection
- US-based production and support
- Free design proof before any print run
- Low minimums for small-batch and new roasters
How to Order
- Share your bag size, quantity, and roast style
- Review a free digital proof
- Approve artwork and confirm timeline
- Receive flat-packed bags ready to fill and seal
Frequently Asked Questions
Why do coffee bags need a valve?
Fresh-roasted coffee releases CO2 for days; the one-way valve lets that gas escape so the bag doesn’t bulge or burst, while keeping oxygen from getting in and staling the beans.
Can I get this in kraft instead of foil?
Yes, a kraft exterior with an internal barrier layer is available, similar to our Flat Bottom Brown Paper Bags, while still including the degassing valve.
How is this different from a standard Flat Bottom Bag?
This version is built specifically for roasted coffee with a degassing valve included; a Flat Bottom Bag without a valve suits products that don’t off-gas.
Does the valve work on whole bean and ground coffee?
Yes, the valve functions the same way for both whole bean and ground coffee packaging.
What is the minimum order quantity?
Low minimums are available for small roasters, with better pricing at production scale.
Are recyclable materials available?
Yes, recyclable kraft-exterior and mono-material barrier options are available while keeping the valve functional.



