Has a palatable, dextrose base. A nutritional source of iodine. Add to ration (protein, grain, or salt mix) in proportions to provide 1 ounce per head per day. Can be used for cattle and horses. Size is 4 Pound. Dimensions are 8 X 8.5 X 8 Dextrose, Ethylenediamine Dihyroiodine. UPC Code = 726087791630