Greenies Dental Chews are expertly formulated treats for the total oral hygiene of large dogs (22-45 kg). The scientifically proven formula provides a great deal of oral health benefits, along with healthy skin and hair. The one-time chew offers a four-in-one solution for oral health care: it inhibits tartar buildup, reduces plaque buildup, stops bad breath, and helps maintain healthy gums. With fewer calories, these dental dog treats address the growing problem of canine obesity.