The Tweet Spot Canopy attaches to your window with two suction cups to protect Tweet Spot feeders from weather. Position over one Tweet Spot feeder, or over a vertical stack of Tweet Spots. UV-stabilized polycarbonate wona€ t crack or yellow with age. Clear construction allows for better viewing. Can also be used to protect Droll Yankees' Window Hummer 3 or any similar-sized window feeder. Dimensions: 1.25 x 7 x 5. Mounting: Attach to window.