OPTICAL GRADE COLLECTION FEATURING FRAMES CUT FROM CELLULOSE BLOCK ACETATE AND HAND POLISHED. NYLON, ANTI-REFLECTIVE LENSES WITH ULTRA VIOLET PROTECTION. STRONG, LIGHT WEIGHT, HYPOALLERGENIC FRAMES MADE FROM A RENEWABLE RESOURCE. THAT MEANS BETTER FOR THE ENVIRONMENT. SHIPS WITH CUSTOM HARD SUNGLASS CASE AND MICROFIBER CLOTH.