ACdream Standing Protective Premium PU Leather Cover Case for Microsoft Surface 3 Tablet Windows 8.1, 10.8 Inches Display (Will Not Fit 12.1 Inches Surface Pro 3) - Black 1. Design especially for Microsoft Surface 3 Tablet 2. Smart Case has auto wake sleep function which auto wake your device or put it to sleep by opening or closing the cover; 3. Made of premium PU leather exterior and fashion design with a soft interior to protect your devices from crashing, scratches, dirt and grime; 4. Lightweight case with precise cut-outs which easily access to all ports and controls and allow access to Charge Port while in case; 5. Please kindly make sure your device is kindle paperwhite before making the purchase.