Vintage brain medical illustration iPhone 6 / 6s case by Little Brick Press (hard silicone rubber case) Vintage Brains Medical Illustration iPhone 6 / 6s Compatable with the iPhone 6 / 6s Only Not the iPhone 6 plus. Made with 100% American made anti microbial silicone rubber. The case is made of rubber silicone for light impact protection. The case wraps around the entire phone with a slight lip over the top to keep the phone raised so the glass wont be scratched easily when laid down.