Using this BrainFPV snapback cap is super easy. Just put it on your head and adjust the strap at the back for a perfect fit. It's great for everyday wear, whether you're out for a walk or at an FPV event. When it comes to cleaning, you can spot - clean the cap with a mild detergent and a soft cloth. Avoid machine - washing as it might damage the embroidery. Store it in a cool, dry place when not in use to keep it in good condition.