Access: With three-sided open access, making it easy and safe for birds to enter. Bird box: Get a clear window mounted bird feeder! Roof: Features a clear overhanging roof with a visibility strip to help prevent predators. Suction: Features four suction cups on the back to secure to any window. Ideal for: Attracting small and large birds alike, with most types of seed. Window: View all the birds with comfort and ease from your very own window! Clear Window Mounted Bird Feeder | Living Social