Sun Ray Suncatcher Sticker // Window Cling Sticker for Rainbows The suncatcher peels like a sticker to put on your window for direct sunlight to hit it to create rainbows in a room! The sticker is white and clear in order to maximize rainbow possibilities! The sizing is 4.5 x 3.3. Each one comes with a set of tips and application instructions! IMPORTANT! You Must have direct sunlight to produce rainbows! The best windows are your east & west facing windows, with east facing ones producing light in the mornings, and west facing ones for the afternoon.