Everyone loves a rainbow. There are few things more fascinating or beautiful. Bring pure spectral color into your environment with eSource Optics Garden Rainbowindow. Stick or hang eSource Optics Garden Rainbowindow in a window with direct sunlight. Bursts of vibrant color will dance around your room splashing walls, ceilings and floors. Each Garden Rainbowindow comes with a vinyl rubber suction cup attached for easy hanging. Try several in different windows. Approx. 10 ½" X 7 ¾" Heavy plastic coated paper board.