Your Crystal Pattern Diffraction Grating Window Film has a state of the art Holographic Prism starts with laser technology and ends with pure spectral color. Apply to a window in DIRECT SUNLIGHT, Your Crystal Pattern Diffraction Grating Window Film will transform light into an explosion of multiple hues. Patterns of vibrant color will fill your room...splashing walls, ceilings and floors. Patterns of red, orange, yellow, green, blue, indigo, violet...and every shade in-between...will dance about the room, awash in a glorious shower of rainbow color. The effect will be absolutely spectacular! Crystal Rainbow Holographic Diffraction Grating Sheet 24" X 36". Just Apply to any window with direct sunlight. Although may offer some visual obscurity, it is not sold as privacy film. It needs to be displayed in a window that gets direct sunlight to acheive the rainbow effect we advertise. FAQ's You are purchasing a MYLAR sheet of micro-prisms that make rainbows (it is not vinyl). The sheet is 24 INCHES X 36 INCHES. This material is NOT sold as a full window covering. If your window is larger than a 24" X 36" it will NOT cover the entire window. It is NOT sold as a full window covering. If this is what you are looking for, this is NOT the product for you. But if you are looking for a window film that will project brilliant rainbows into your environment this may BE the product for you. There are vinyl products sold on Amazon that claim to make rainbow and are much cheaper. They are not holographic or prismatic and do not make the colors of our Rainbow Window Films.(period) This product is shipped in a thick walled mailing tube. It should arrive damage free. If for any reason the sheet is damaged, please let us know. Your Rainbow window film is fully guaranteed. You can return for a refund or we will replace the product. We may ask for an image of the product you want to replace. You will never lose money purchasing one of our products.