The KOVOT Acrylic Window Bird Feeder and Perch allows you to view birds close-up from inside your home. It is made of a lightweight, very durable, all-weather, high transparency acrylic. Attached are 3 high quality suction cups for added stability. The removable feed tray allows for hassle free cleaning and refilling without tampering with the suction cups. Attract all kids of birds by using different seeds. The bird feeder measures at 6.30″ inches L x 2.95″ inches W x 6.85″ inches H.