1.Strong suction cups – never fall off: the window bird feeder comes with strong suction cups that can hold enough weight to ensure that the window bird feeder remains even in extreme weather and can withstand multiple birds at the same time and never falls off. Besides, the super strong suction cups can hold the bird food at a certain height by the window, so it cannot be damaged by other animals. 2.Easy to install and durable: the clear bird feeder for outdoor use can be easily installed on any glass window. Simply place the suction cup into the holder, wipe the surface of the glass window with a damp cloth, then press the suction cup on the glass window and squeeze out all the air. Made from 3mm thick acrylic, this luxury bird feeder will withstand even the harshest conditions no matter where you live. 3.Ideal for wild birds in the garden: the classic bird house attracts a large number of birds, such as blackbirds, cardinals, tits, goldfinches and other garden birds. 4.Experience the beauty of wild birds up close: This bird feeder with viewing window is made of highquality, clear acrylic and the hexagonal viewing window allows you to easily view the colourful wild birds nearby. 's Clear Window View Bird Feeder is a for bird watching enthusiasts and brings more fun to your life.