Tunewear CarbonLOOK for 13-Inch MacBook Air - Black The outer carbon material reflects light to give different shades of lightness and darkness. Made from tough polycarbonate with a carbon pattern synthetic leather exterior, CarbonLOOK protects MacBook Air from light bumps and scratches. The top piece snaps onto the MacBook Air's lid and has a beautiful carbon fiber pattern. The bottom piece is solid black and includes four rubber feet to prevent MacBook Air from slipping on flat surfaces. With the case on, all ports on both sides of MacBook Air including the MagSafe, USB ports and headphone jack are unobstructed and fully accessible.