These chunky blocks of rendered beef kidney suet are chock full of mixed seeds, chopped wheat, and chopped corn. The ingredients combine to form a nutritionally dense meal for songbirds and tree bark specialists like woodpeckers and nuthatches. Wild Bird Seed Suet Cakes provide essential calories in the winter, when few insects are present, and insulates birds against cold weather. Each of the two cakes in this package weighs 325 grams (11½ oz). Use with our Single Cake Suet Holder or any other standard size holder. These cakes are hand crafted in Canada, using high quality ingredients.