The BarkTender Brands On Tap Treats are beer brewed, all natural treats for dogs and they are free of hops and alcohol. The On Tap Treats are made with healthy spent, beer grain from the beer brewing process. The spent grain is comprised of barley and rye and is collected through partnerships with craft breweries throughout the country. The flavors include Black Pumpkin Stout, The “King” Lager (peanut butter, banana, bacon) and Rosemary Bacon IPA.