This is the Oakley SI M Frame 2.0/3.0 Rep Multi-Lens Case Features: Semi-Rigid case Zipped closure This semi-rigid nylon case is sealed with a zip closure. Oakley enhanced it with high-density foam to help protect a complete M Frame lens/frame assembly plus two extra accessory lenses. M-Frame array case can hold M-Frame 2.0 or 3.0 glasses.