Premium Quality: The sun print papers are made of high-quality wood pulp paper, which is sturdy, washable, and not easy to break or tear. Sun art paper is sensitive to ultra-violet light, and its result of imaging, including uniformity and sharpness, all have good effects. Easy to Use: Place on the cyanotype paper put your paper and the plastic tool expose the paper in the sun for 5- 15 minutes rinse the paper in water for about 1 minutes then dry it. And beautiful artist work is done! So easy to do it! Great DIY Project: The process of sun print is simple and fun. It can cultivate kid's imagination, creativity, hands-on skill, and develop their interest in scientific experiments. For adults, sun printing is a great activity to do with kids or friends, enjoying time together. Using Steps: Step 1: Place on the cyanotype paper : Put your paper and the plastic tool Step 3: Expose the paper in the sun for 5- 15 minutes Step 4: Rinse the paper in water for about 1 minutes then dry it. For sunlight printing (blue is the finished color) Colour:As Shown Material:Paper Size:A6 Package Contents: 60x Sun Print Paper 1x plastic sheet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.