This is not just your average boring window sticker, no ma'am. This unique 'Slow Down and Enjoy the Rainbows' decal makes RAINBOWS. Stick this to a window that gets lots of lovely direct sunlight, and watch those magical rainbows appear! This single decal measures approx 12cm x 12cm. If you're careful during application, this sticker can be removed and reused! YAY! If you buy multiple stickers, you will receive one instruction card. If you're buying multiples to give as gifts, please let us know in the notes section at checkout and we'll make sure each decal gets a set of instructions. This is to reduce waste and help save our beautiful little planet.