The beauty of a gusseted bag is it expands as you fill it, giving you space and flexibility to play with in your packaging design. You’ll typically see gusseted bags filled with whole bean or ground coffee, but these bags also work well with tea, snacks, candy, pet treats, and more. Bonus points? Gusseted bags provide great shelf stability — once filled, they stand upright with no additional support. Order a sample and see for yourself.

To make your bags tamper-proof, you’ll need to heat seal them after filling; this is true for all of our bags, regardless of type or material. We recommend using a heat sealer with an adjustable temperature gauge — our bags should be sealed between 120 and 130 degrees with a hold time of two to four seconds. Sealers without temperature control may run too hot and risk melting the material (no bueno).

When folding a gusset bag, make sure to fold or roll the material back with the tin tie under the material, not over it. This helps ensure the tin tie stays secure and gives the bag a clean, crisp finish. For a tutorial on the correct way to fold the gusset bag, view this video.

Let’s talk science — gather ‘round, coffee snobs. Gases (including a bunch of carbon dioxide) are emitted after roasting and continue to emit even after your coffee is packaged. If the gases are trapped inside the package, this can cause the bag or pouch to inflate or bloat (not cute).

Here’s where the degassing valve magic comes in. When pressure inside a sealed package increases beyond the valve opening pressure, a membrane in the valve momentarily opens to allow gas to escape out of the package. As gas is released — and the pressure inside the package drops below the valve close pressure — the membrane reseals. This one-way air valve is added to fresh roast and ground coffee bags to allow the carbon dioxide to easily escape and prevent more oxygen from entering, slowing the rate of reaction and increasing the lifespan of your lovely coffee. Mm, coffee.

Read more about degassing valves on our blog.

Our blank gusset bags come in a box of 100. Our custom-printed gusset bags come with a minimum of 500 bags — this minimum can be broken down further into 100 per artwork file or design. Or consider personalizing one of our patterned gusset bags in our Roastar Design Lab™ with a super low minimum order quantity of 25 bags.