Made of 100% aramid, a high-tech luxury material for body armor, aerospace, supercars. Elegantly designed for the curved display of S9/S9+. Pocket-friendly. A slim profile of 0.85mm only. Metal plates inside to be attachable to the PITAKA MagMount Qi with car mount adapter for S9/S9+. Wireless charging friendly. No interfere with the curved display nor any buttons. Ridiculously durable. Never get color fading, barely wear and tear. Extraordinary scratch resistant, grippy but non-slippy coating.