Tip-top Lenovo S850 Case,Aluminum Metal Bumper Frame Case with Acrylic Back Plate Cover for Lenovo S850(Black) Suitable for Lenovo S850 Material: Aluminun metal Frame/PC Acrylic Back Cover Revised cutouts for improved access to all ports, buttons, cameras, speakers, and mics Simple fashion design, modern life style ,Safe and comfortable grip with smooth edge Extremely Low Profile and Minimalistic yet Luxurious Metal Bumper Case