Blended suet and grains. High Fat content for year round feeding. Each cake is 9.25 oz. Attracts These Colorful Songbirds: Cardinals, Chickadees, Goldfinches, Juncos, Kinglets, Nuthatches, Purple Finches, Siskins, Tanagers, Thrushes, Titmice, Warblers, Woodpeckers and Wrens. GUARANTEED FRESH. Not for human consumption. Store in a cool, dry place. Instructions for use: Place suet cake in suet cage and hang approximately 6' off ground. Refill cage when empty.