How to use: Just put on the sunglasses when you go outside to protect your eyes from the sun. Make sure the temples rest comfortably on your ears and the frame sits well on your nose. Things to note: Don't bend the temples forcefully as it may damage the metal - plastic hybrid structure. Avoid scratching the lenses. Maintenance advice: Clean the lenses with a soft, lint - free cloth regularly. When not in use, store them in the provided case to prevent scratches and damage.