The Woodpecker Snack birdseed cake will fit into any standard sized suet feeder. This blend does not contain any "filler" ingredients or shells. The seeds are held together by gelatin and will not melt in high heat. Our seed cakes are made fresh upon ordering. Please allow up to 7 days for production. Do not store in direct sunlight. Please store in a cool, dry location. Ingredients: peanuts, sunflower chips, suet nuggets, raisins, cranberries, pumpkin seeds, gelatin Dimensions: 5" x 4" x 1 1/2"