For the prevention of strongylus vulgaris larval infestations in horses. For control of large stronyles, small stongyles, pinworms and ascarids in horses. Continuous wormer. Equine anthelmintic. Medicated pellets for daily feeding. Provides continuous worm control.Size is 10 Pound. Dimensions are 7.75 X 9.5 X 9.75 Dehydrated Alfalfa Meal, Wheat Middlings, Brewers Dried Yeast, Brewers Dried Grains, Natural And Artificial Flavors, And Preserved with Proplonic Acid. Also Contains The Active Drug Pyrantol Tartrate. UPC Code = 362240000036