To use this cap, simply adjust the snapback closure to fit your head. It's great for covering up bad hair days or adding a stylish touch to your outfit. Since the hats are made to order, please be patient during the 7 - 10 business days processing time. When it comes to maintenance, you can gently spot - clean the twill part with a mild detergent and cold water. For the mesh back panels, a soft brush can be used to remove dust. Avoid machine - washing or using harsh chemicals as they may damage the embroidery and the fabric.