LARGE CONTACT LENS CASE - it can hold most of contact lenses and you can be easy to change your own contact lens case HIQH QUALITY STEEL HINGES - The case adopts special double hinges which can stand the repeated opening and closing of the case without breaking easily. PROTECTIVE FLANNEL LINING - The fine and soft lining can protect the eyeglasses from scratches. But please dont put sharp particples, like small stones, together with the eyeglasses in the case as they could scratch the lenses. DUAL USE DESIGN - The case has two sides, one for the eyeglasses, the other for contact lenses and its accessories including 2 contact lens cases, a small bottle and a pair of contact lens tweezers. BUILT-IN MIRROR - Users may experience emergency when they need to remove the contact lenses but cannot find a mirror. The side for contact lens has a mirror to prevent such problems.