Mark & Chappell Defurr-UM Treats for Cats & Kittens 1.75oz. - Defurr-UM a tasty treat your pet will go crazy for, no more messy pastes. A combination of natural ingredients that gently lubricate the system giving a mild laxative effect that removes the furball and reduces future blockages. Defurr-UM Treats for Cats and Kitten, in combination with frequent grooming, can prevent the formation of hairballs. - Active Ingredients: Malt Syrup, Liquid Paraffin, Vitamin E. - Warning: Use only as directed. If symptoms of hairball persist, consult a veterinarian. Do not administer to kittens less than six months old. Keep this and all medications out of reach of children and pets.