These black Hollywood Classic Caps are really easy to use. Just put them on your head to add a stylish touch to your look. When it comes to care, you can spot - clean them with a mild detergent and a soft cloth. Avoid using harsh chemicals as they may damage the cap. Also, remember about the California Proposition 65 warning. If you have any concerns about the chemicals in the product, check the website www.P65Warnings.ca.gov. Don't expose the caps to extreme heat or direct sunlight for a long time as it may fade the color.