Sun Art Sun Sensitive Paper lets you make unique and beautiful prints using found objects. Five easy steps Select items and create composition, Layout items on paper and cover with reusable acrylic sheet, expose to sunlight until Sun Art Paper turns light blue, remove Sun Art Paper and rinse with water and let Sun Art Paper dry. Don't expose paper to sun until you are ready to use it! Includes 15 sheets ' x 7" paper and reusable acrylic sheet. Made in USA.