Check out these gorgeous prescription eyeglasses! The ULTEM F9009 Tortoise feature narrow rectangular shaped lenses rimmed in an amazing tortoise shell colored frame with a matte finish and brown and yellow rubber covered stem tips. Made of the most current and state-of-the-art material ULTEM, is an extremely flexible yet super strong with 100% memory allowing the frames to bounce back to their original shape. The special Ultem material has demonstrated no risk of allergy and is FDA and CE approved.