When your designs are dry, just peel off the backing and press them onto any smooth glass surface. Approximate sizes are 6-1/2” x 4”. Ages 6-96 *Product cannot to be sold on any 3rd Party site such as Amazon, Etsy, Ebay or any other 3rd Party sites.* Contents Include: 5 glitter window paint colors, rhinestones, 2 EVA shapes (butterfly, rainbow), and instructions.