JCs Wildlife Diner 9 Window Bird Feeder Hold 3 cups Yellow Recycled Poly Lumber VIEW FROM YOUR WINDOW: Enjoy watching wild birds up close--right at your window. DEPENDABLE AND DURABLE: Suction cups are the best you can buy - these are not cheap and flimsy imports WILL WITHSTAND WEATHER: 4 suction cups will hold up your feeder unaffected by weather and temperature (2 on top and 2 on bottom) NEVER RUST SCREWS: Stainless steel screws attached to the suction cups will not rust BIRDS TO LOOK FOR: Cardinals, Bluebirds, Titmice, and Finches