Feed year round. Attracts a variety of birds and is a great source of energy. Place suet seed cake into feeder and hang at least 5 feet off the ground. Size is 12 Ounce. Dimensions are 4.3 X 4.7 X 1.2 Rendered Beef Suet, Sunflower Seed, White Millet Cracked Corn, Peanuts, Cashews. UPC Code = 748884010905