Kaytee Sunflower Hearts & Chips (3 lb): 100% edible hulled sunflower seeds (no shells) that provide high-energy nutrition and attract more songbirds than any other seed. With the shells removed, there’s no messy waste or chance of unwanted sprouts under your feeder. These sunflower hearts are an excellent year-round feed—easy for birds to eat and ideal for hopper, tube, or tray feeders—offering your finches, cardinals, chickadees and other birds a premium treat that keeps them coming back without the mess.