Dogs Dental Hygiene Greenies Large 4 Greenies is highly digestible, nutritionally complete and meets the chewing habits of your pet. With just one dental bone per day you will provide your dog a complete assistance for its dental health, reducing tartar up to 60%, the plate up to 33% and the bad breath for an average of 45%. Indications: It is not recommended for dogs with less than 2 kg or less than 6 months. Greenies Large is indicated for dogs between 22 and 45 Kg. Select the appropriate size of the new dental bones Greenies for your dog. Awards too small that do not fit the size of the jaw will not provide benefits when they are chewed and those too large may provide unnecessary calories. As with any food product, make sure that the product is properly chewed. To swallow whole pieces can be dangerous for a dog.