Your cat will love the malt and barley in this uniquely formulated grass gel. It is great for reducing hairballs and aids in digestion. Provides amino acids and phyto-nutrients that are found in fresh grass. 4 ounces /flip-top tube. Digestive aid and hairball remedy for cats provides amino acids and phytonutrients contained in fresh grass. Malt, Petroleum, Mineral Oil, Animal Digest Barley Grass, Sodium Benzoate And Taurine: Size: 4 oz.