These LA Classic Mustard Caps are easy to use. Just place the cap on your head and adjust it to fit comfortably. When wearing, make sure not to expose it to sharp objects that could damage the cap. To maintain its quality, you can gently brush off any dirt. If it gets dirty, you can hand - wash it in cold water with a mild detergent. Hang it to dry. Remember, this product has chemicals that can be harmful, so keep it away from children and pregnant women.