Nutri-Vet LLC offers WIld Alaskan Salmon Puffs treats for dogs. Omega-3 essential fatty acids from wild, non-farmed Alaskan salmon, natural blueberries, cranberries and sweet potatoes all are in the puffs. According to the company, the treats contain no artificial colors, preservatives or flavors and are available in a 4-ounce resealable bag.