How to use: Simply put on the sunglasses when you go out under the sun to protect your eyes from harmful UV rays and enjoy the stylish look. Notes: Avoid dropping the sunglasses on hard surfaces as it may damage the frame or lenses. Do not expose them to extreme heat or cold for a long time. Maintenance: Clean the lenses with a soft, lint - free cloth regularly. You can use a mild lens cleaner if needed. Store the sunglasses in a protective case when not in use to prevent scratches.