VetriScience Laboratories - Hairball Digestive Support for Cats, Chicken Liver Flavored, 60 Bite Sized Vetri Hairball contains omega fatty acids which provide essential fats for skin and coat health while also supporting the lining of the GI tract Hairball works by promoting a healthy GI tract on the inside and healthy skin on the outside without the use of diuretic herbals or mineral oil Vetri Hairball is a delicious chicken liver flavored soft chew that cats love Vetri Hairball supports the skin and coat, helping to keep your pets coat healthy, shiny and soft VetriScience products are manufactured in the U.S.A. and are backed by a 100% Satisfaction Guarantee