Rainbow Cases are the best-selling cases for your iPhone and Galaxy. These cases are made of a soft durable silicon material that does not scratch your device. The flexible silicone material allows you to change the look of your case with an easy peel and stick design. A blog article about the Rainbow Cases from Rainbow Flag. The author walks you through each case and gives helpful tips for telling a good story with a clear purpose, showcasing unique fonts and colors, and using mistakes to your advantage.