M.W. Barkley's Meaty Treats - Freeze-Dried Duck Hearts 3 Oz. - for Dogs & Cats Crafted with love and pride in the USA Adored by both dogs and cats Ideal for every day training and treating Contains freeze dried meat and nothing else - no chemicals, preservatives, glutens, grains or fillers Requires no refrigeration - keep sealed in resealable package in a cool, dry place