To use this cap, simply adjust the double snapback closure to fit your head comfortably. You can wear it during sunny days to protect your eyes from the sun or as a trendy accessory. When it comes to maintenance, spot - clean it with a mild detergent if it gets dirty. Avoid machine - washing as it may damage the vinyl design. Also, don't expose it to direct heat for a long time as it can affect the heat - transfer design. And remember, since it's made to order, give it 7 - 10 business days to be processed before you can enjoy wearing it.