Unique Design: Sun printing drawing paper is based on the cyanotype process, the sensitivity nature printing paper is made of blueprint paper material, sturdy and stable, not easy to break/tear, lightweight and easy to store, save space, suitable to use for a long time. Easy to Use: Just put the plants/paper cuttings/other things on the sun printing paper, and press them with transparent glass or acrylic plate. Then leave them in the sun for about 10-15 minutes, rinse the papers under the water tap for about 1 min and soak in water for 2-3 minutes, rinse and finally dry, then the artistic work is done Enjoy the Fun of DIY: Sun print paper is a great hands-on activity to help you relax in your spare time. You can use and share them with your friends to enjoy a happy DIY time, just need to choose your favorite pattern and make beautiful patterns by simple operation. Wide Application: The sun art paper is a nice manual activity to do with kids and adults, which can gather them together in classrooms, camps, library and other places to create together, cultivating their interests and improve their hands-on ability. Size: 20.8*15cm color: blue Quantity delivered:32 cyan paper + 1 backing board