Wild bird food. Feed year round. Attracts a variety of birds and is a great source or energy. Place suet cake into feeder and hang at least 5 feet off ground. Size is 12 Ounce. Dimensions are 4.2 X 4.8 X 1.2 Rendered Beef Suet, Sunflower Hearts, Chopped Peanuts. UPC Code = 748884012015