Sun Seed Company Bss31003 Striped Sunflower Seed Bird Food, 40-Pound Striped Sunflower Seed Bird Food It Is A High-Energy Food Source For Wild Birds The High-Oil Content Makes This Food A Favorite Of Many Backyard Birds Larger Birds Eagerly Crack Into Its Hard Outer Shell To Get At The Highly Desired Kernel Inside Its Weighs Is 40-Pounds