happy teeth are our great tasting dental chew. With its loofah like texture, happy teeth cleans teeth, fights against plaque and tarter build-up and freshens breath. The best part; there is no medicinal smell or taste; just a great tasting treat! happy teeth is good for dogs of all ages and sizes; from puppies to seniors. happy teeth are lactose, grain and gluten free and is easily digestible. These all-natural dental chews are available in three delectable flavors your dog will enjoy; cheese, cheese with real peanut butter and cheese with real bacon.