Spray onto cakes, cookies, marshmallows, popcorn, anything edible to add color! Spray with a quick, single swipe for best results. One 100ml bottle should cover approximately 1 three-tier cake or 50 cookies, coverage will vary depending on how heavy a concentration of color is desired. Check out lines from Wilton, PME, and Chefmaster. Many colors and finishes (beautiful pearl and metallic) to choose from.