To use these caps, simply place them on your head. They're suitable for daily wear, like when you're going for a walk or hanging out at the beach. Remember, due to the chemicals in the product, avoid putting it in your mouth or inhaling any dust from it. To maintain them, you can gently wipe them with a damp cloth. Don't machine - wash or use harsh chemicals as it might damage the caps. Keep them in a cool, dry place when not in use.