Emerald Pet Feline Health Chews for Hairball support are made in the USA using only the finest ingredients. With natural health supporting ingredients, these chews work especially well to help prevent and eliminate hairballs. Their soft, chewy texture is large enough to encourage chewing with a fun angel fish shape. Hairball support includes salmon oil, safflower oil, bromelain, papain and chicory root to support a healthy digestive tract.