Description From Field to Feeder Black Oil Sunflower Seeds â 40 lbs.From Field to Feeder Black Oil Sunflower Seeds are a premium, all-natural wild bird feed designed to attract a wide variety of backyard birds. With a high oil content and thin shells, these seeds are easy for birds to crack and digest, making them a favorite among cardinals, finches, chickadees, and more. Packaged in a 40 lb. bulk bag, they're ideal for year-round feeding and compatible with most feeder types including tube, hopper, and platform feeders. Grown and processed in the USA, these seeds are clean, nutritious, and perfect for bird enthusiasts looking to bring vibrant wildlife to their backyard.Key Features:Premium black oil sunflower seeds for wild bird feedingHigh oil content for energy-rich nutrition99% clean and virtually dust-free; won't clog feedersAll-natural, no fillers or debrisIdeal for tube, hopper, platform, or ground feedersAttracts a wide variety of seed-eating birdsPackaged in a 40 lb bulk bag for extended useSourced from USA/CanadaSpecifications:Botanical Name: Helianthus annuusOrigin: USA/CanadaWeight: 40 lbCrude Protein (Min): 16.0%Crude Fat (Min): 30.0%Crude Fiber (Max): 30.0%Cleanliness: 99% clean, virtually dust-freeFeeder Compatibility: Tube (large holes), hopper, platform, groundPrimary Species Attracted: Cardinals, Chickadees, Finches, Grosbeaks, Nuthatches, Siskins, and moreAllergen Info: May contain traces of milk, eggs, fish, shellfish, tree nuts, wheat, peanuts, and soybeans