The Joy Factory aXtion Edge M Rugged Shockproof Case for Microsoft Surface Pro 6/Surface Pro (5th Gen)/Surface Pro 4 (CWM200) Compatible with the Surface Pro 6 (2018), Surface Pro (5th Gen), and Surface Pro 4 Smart Chill technology with heat-dissipating channels help keep your device running cool Corners are reinforced for better shock absorption in the event of a drop Built-in digital stylus holder for safekeeping of your stylus Ports for shoulder strap support (sold separately)