4-in-1 digestive aid and feed enhancer. Probiotic live lactic acid bacteria for digestive support. Bio-mos prebiotic stimulates the growth of beneficial bacteria. Yeast for enhanced digestion of protein, fiber and dry matter. Enzymes for improved nutrient availability. Granular form.Size is 5 Pound. Dimensions are 8.75 X 8.75 X 7.5 Stabilized Rice Bran, Brewers Dried Yeast, Dried Saccharomyces Cerevisae Fermentation Solubles, Sodium Silico Aluminate, Dried Bacillus Subtilis Fermentation Product, Dried Bacilllus Licheniformis Fermentation Product, Dried Saccharomyces Cerevisae. UPC Code = 784299100503