This bluebird nuggets contains rendered beef suet, roasted peanuts, raisins, corn, and oats. Can be fed alone on a platform feeder or nugget or peanut feeder. Ideal when mixed with 5 to 10 pounds of seed in a traditional feeder. Resealable bag. Nuggets "Plus" can be fed alone on a platform feeder or from a nugget/peanut/sunflower feeder using 1/3-inch wire mesh. This product weighs 27 ounces.