To use this cap, simply adjust the double snapback closure to fit your head. It's great for everyday wear, sports, or casual outings. When it comes to maintenance, you can spot - clean the foam front with a mild detergent and a soft cloth. For the mesh back panels, a gentle hand - wash in cool water is sufficient. Avoid using harsh chemicals or machine - washing as it may damage the puff vinyl design. Keep in mind that since these hats are made to order, they take 7 - 10 business days to process, so plan your purchase accordingly.