Unique lid design incorporates a built-in funnel for easier filling with less spilled seed. Easy Clean technology allows you to simply lift and slide ports and base to remove and clean. Spring system in roof allows feeder to be opened with a single touch. Even Feed baffles allow for constant seed and birds at all levels. 2-in-1 seed capability. Stay clear, crack resistant tube with durable metal powder-coated parts. Hanger connects to outside of tube. Seed to use: black oil sunflower, striped sunflower, hulled sunflower, safflower, cracked corn, nuts, and mixed. Attracts: cardinals, grosbeaks, titmice, nuthatches, chickadees, juncos, and finches. Thistle inserts included. Accommodates birds of all sizes. Dishwasher safe parts.