Wow look at this fun new feeder! Metal copper combination Feed and Seed Scoop Hopper Feeder is the ultimate in convenience| so unique it has a Patent Pending! To fill just turn handle to right to remove hopper| scoop up the seed| replace hopper in feeder and turn handle to left. Seed will automatically drop into the seed tray! The design lets you easily view the seed level for quick and easy replenishing. Sturdy plastic construction with clear view roof to keep seed dry. Holds approx. 2½ lb. of seed and is best used with standard seed mixes or black oil sunflower seed. Install in an area that allows for easy viewing access and hang about 5 ½ ft. high for easy filling. Clean periodically with soap and water and rinse well. Birds attracted to this feeder are Woodpeckers| Chickadees| Nuthatches| Bluebirds| and others.