These are JINS pollen glasses. They have a brown frame, are sunglasses, and have prescription lenses. - Frame Color: Brown - Frame Design: Pollen - Lens Type: Sunglasses - Temple Material: Plastic Thank you for looking. Color...Brown系 (Brown-based) Frame Material...Resin/Plastic I purchased these several years ago. They were made when my vision was about 0.6. I'm selling them because I haven't used them much. They have a mild prescription, but the strength is unknown. Please note that there is no case.