FELINE GREENIES SMARTBITES Hairball Control Treats for Cats are the perfect treat to keep your cat purring all day long. Designed by veterinarians and created with GREENIES FIBERBLEND Formula, these treats help minimize and control hairball formation and support healthy digestion in your adult cat when fed in conjunction with a hairball treatment and control diet. Featuring a mix of crunchy and creamy textures, these low calorie cat snacks have less than 2 calories, and added vitamins, minerals, and other nutrients for a nutritionally complete and balanced snack. Plus, these irresistible little treats come in a delectable tuna flavor and are made with natural ingredients, plus vitamins. they're also the perfect sized treats for cat toys... try placing a few inside a treat dispenser toy and watch your cat chase and swat away. These FELINE GREENIES are the healthy, tasty hairball control treats your cat will love.