This great-tasting paste is a must-have for all ferret owners. Ferrets that lick their fur are prone to hairballs. Ferret Lax is the perfect remedy for both eliminating existing hairballs and preventing the formation of new ones. It also aids in removing other items which may have been accidentally ingested. 3oz. tube. Helps eliminate and prevent hairballs. Convenient 3 oz tube for easy administation. Great tatse your ferrets will enjoy. Formulated by ferret experts and recommended by veterinarians. Ingredients: Petrolatum, Cod Liver Oil, Malt