For iPhone 6S Case,GBSELL Glow in the Dark Colorful Luminous Flow Liquid Quicksand Cover Imported Compatible for iPhone 6/ iPhone 6s 4.7 inch Innovative design, using materials imported Bayer PC material, flexibility and the fit is excellent. Built-odorless, non-corrosive, non-flammable liquid and special luminous fine sand. The precise cutouts give easy access to controls and dock connector. Case is designed to slide off easily in case you want to change the case color.