Duck and Potato Dog Food Roll Natural Balance Rolls are made with the freshest quality meats and grains, resulting in a nutritionally complete meal rich in vitamins and minerals. Natural Balance contains approximately 40% less water than canned food which means one 4 lb. roll is equivalent to twelve 13.5 oz. cans. It's made in the USA from USDA inspected meat, with no corn or soy. It contains kelp and lecithin. Use as a full feed, mix with dry food, or give as a delicious treat.