Profile Case for Kindle Fire HD 8.9 Black. Device purists, take note! The Profile Case for the Kindle Fire HD 8.9 is our thinnest case ever. High-quality microfiber leather is layered over an ultra-thin and ultra-sturdy fiberglass core to provide maximum protection with minimal bulk. The microfiber interior protects the device from scratches and dust while giving the user a luxurious tactile experience. The silicone mount grips the device