Great prop for a beer drinker like Mr Dog Poop. Fill this up with 64oz of draft beer and it stays cold for 45 hours. And, if it matches your Massey Model 12, that is even better so you don't constantly get pulled over for an open container while mowing the lawn.

DrinkTanks® high-performance Craft Growlers offer a premium beverage experience from storage to dispensing to the very last sip of whatever fills your cup. Engineered to meet the flavor, carbonation, + temperature preservation demands of the most delicate craft beer, our Craft Growlers are the ideal way to preserve and enjoy any adult beverage.

 
The 64 oz Craft Growler is the standard size for filling up at your local brewery and also makes a great size for sharing any adult beverage, from cocktails to wine to your famous homemade cold brew. The 64 oz Craft Growler is also compatible with the DrinkTanks® Dispensing Line to become a mini Travel Keg®, so you can enjoy your favorite drink on tap, anytime, anywhere.