This fun rainbow maker shines happy little rainbows into your space! The transparent prismatic film has a metallic holographic smiley face overlay. This rainbow maker is sized to 4 x 4 inches. Each decal is individually packaged on a 5 x 7 inch card-stock backer inside a cellophane pouch with application instructions. Simply remove the backing and apply to a clean, sunny window. Best results when placed in direct sunlight. Different amounts and positions of the sun will give you different vibrancy of rainbows. NOTE: This item is hand-made and may have slight inconsistencies.