Place these Sunflower Heart Suet cakes in your backyard. You'll soon enjoy feeding birds of all species. Contains rendered beef kidney suet, sunflower hearts and chopped peanuts in a suet cake that easily fits in a suet holder. Measurements: 5 inches by 5 inches by 1.5 inch. Weight per cake: 12 oz. Minimum: 12. Made in USA by Pine Tree Farms.