Great Hang-Up Hanger: Holds feeders, chimes, suet, plants, and Hummingbird feeders to your window. See the birds up close as they feed right in front of your eyes. The Great Hang-Up stays secure to your window with large size suction cups especially designed for outdoor duty. The size and shape of the Great Hang-Up holds the feeders away from the glass yet allow you to enjoy all the beauty of watching your feathered friends up and close. The Great Hang-Up will hold up to 3 lbs. and is a heat and sun proof hanger.