Bird Suet Cakes. High Quality 11 oz. Suet Cakes. Size: 5 x 5 x 1. Ingredients include Rendered Beef Suet, Cracked Corn, Black Oil Sunflower and Processed Grain By-Products. Made in USA. This woodpecker is enjoying one of our Nuts and Berry Suet cakes in a Wildlife Sciences feeder located off a residential deck in Rockford, MN!