This package includes 20 Scratch Off stickers, Kaleidoscope on five sheets of backing. These stickers are 1" in diameter and feature a design seen through a kaleidoscope. These stickers are easy to use, simply place the sticker where you want it, and let the person you are sending the sticker to scratch off the surface to reveal what is underneath. These stickers can be used with the Scratch Off Series stamps (sold separately).