Hands on Review: Cool Brewing Corny Keg Cooler Bag

cool brewing keg cooler bag review

Updated: 6/18/2024

This review is by Homebrew Finds Contributor Brad Probert.  Brad is an engineer, expert homebrewer and experienced reviewer.  Grab a link to Brad’s website at the end of this review.

Cool Brewing Corny Keg Cooler Bag

There’s no question that bottled homebrew is a vastly more convenient method of sharing your brews than kegging. You can bring in a bottle to share with co-workers in an innocent looking bag for them to take home, or show up to a house party with a 6-pack. However, there’s also no question that taking that whole fermentor full of beer and transferring it into ONE container is a much easier task of packaging. And not having to figure out how much bottling sugar is needed for your lager vs. ale that was fermented at a cold temperature but bottled at a warm temperature, is also nice.

Just like there are products out there that make bottling easier, there are also products out there that make sharing your draft homebrew easier, too. While you can certainly fill a growler with your draft beer and have a nice compact mobile size, for those that really want it easy, Cool Brewing comes to your rescue. They make insulated bags so you can just stick your entire keg into the bag, throw in some ice, a picnic tap, and a portable CO2 regulator and you’re ready to go.

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Hands on Review

Cool Brewing makes these in both a 2.5 gallon and 5 gallon Corny keg size. For me, that was great because I have an equal mix of both size kegs. I make a lot of 2.5 gallon batches because I’m impatient to move on to the next thing I want to brew. As it turns out, this size works great for these Corny keg cooler bags. It fits more easily in your trunk or backseat to transport, and if you have to carry it more than 10 feet, you’ll appreciate the weight difference. Of course, depending on the party, 2.5 gallons might not cut it, so that’s when the 5 gallon size comes in.

cool brewing keg cooler bag reviewClose up – High Quality, Heavy Duty Zippers

Both bags have the same features. The material is quite durable and seemingly indestructible, and the black color is forgiving for those drippy picnic taps or overzealous neighbors that overfill their cup. It cleans up very easily with a wet paper towel or cloth and doesn’t show any discoloration. The inside liner of the bag initially looks less durable because of the smooth, non-porous white surface. But it too, is actually very durable and can handle roughly putting your keg in there, and the waterproof nature of it means you can fill it with ice and not have a puddle of water on the ground/floor. The non-porous surface makes for very easy clean-up afterwards as well with a damp cloth.

cool brewing keg cooler bag reviewA look inside

The top of the bag unzips to allow you to fold the lid completely back and out of the way while loading/unloading your keg. The walls of the bag are sturdy enough as well to allow you to load your keg and not require 4 sets of hands, which is nice. Once the keg is loaded, you fill it with ice or the custom-made re-usable ice keg sheets they sell (which means chilling doesn’t require a trip to the nearest gas station for a bag of ice). In the middle of the lid is a dual-zipper strip where you can feed through your tap, but zip up to keep as much cool air inside as possible. This also allows you to fiddle with your portable CO2 dispensing equipment through this easy-access hatch and zip it back up. Most importantly, the zippers are high quality, heavy-duty grade. If you’ve ever bought kids back-to-school backpacks and tried to save some bucks, you know cheap zippers. These are not those zippers.


Overall, the bags are very well made with good quality materials (and zippers). It’s an affordable and easy way to bring your draft homebrew to the party and impress your friends with your mad skills. Or if your strategy is to take those beers that didn’t quite work out, and disperse them to your less picky friends, these bags also work for that.

Homebrew Keg on Board!  Brad with his well insulated keg buckled in the rear seat

New Version!

Cool Brewing made some good functional improvements to their 5-Gallon Corny Keg Cooler Bag and gave me one to try out. There were 3 notable changes, all of them great additions. First was an upgrade to the shoulder strap, adding a nice padded rest on the strap. A definite improvement since the weight of a 5 gallon keg can really start to cut into your shoulder if you had to carry it far with the old design.

Corny Keg Bag 3.0 at Big Brew Event

The other improvement in the portability department was the addition of two shorter hand straps. These really came in handy for fishing it out of the car or other tight spaces where I couldn’t immediately hoist it onto my shoulder.

The last upgrade was the addition on a strip of Velcro up near the top. With that, you can keep your picnic tap from flopping around on the ground at the party. That also means you don’t have to use a short line length, which can cause foaming problems (major party bummer).

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More Photos

cool brewing keg cooler bag reviewA closer look at the heavy duty fabric

cool brewing keg cooler bag reviewUsing a mini CO2 regulator – related: Hands on Review: Brewer’s Edge Micro CO2 Regulators – Serve Your Beer On The Go

cool brewing keg cooler bag reviewThe bottom layer is easily removable for cleaning

Serving homebrew at a party with the Cool Brewing Corny Keg Cooler

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Special Thanks to Cool Brewing for providing the unit used for evaluation in this review.

By Brad Probert.  Check out Brad’s website – beersnobby.com

Price, promotions and availability can change quickly. Check the product page for current price, description and availability. tag:lnksfxd review:coolbrewingkegcoolerbag tag:tpr

One thought on “Hands on Review: Cool Brewing Corny Keg Cooler Bag

  1. Dave C

    I used mine this past Super Bowl Sunday for a party at a neighbor’s house. Took the 5-gallon keg with two ice blankets over at 1:30pm. Six hours later, beer was still ice-cold!


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