Using these Lincoln welding caps is easy. Just put one on your head before starting your welding work. Make sure it fits well for maximum comfort. When it comes to maintenance, you can simply toss it in the washing machine. But remember to follow the standard washing instructions for cotton items. Avoid using harsh chemicals that could damage the flame - resistant properties. As for storage, keep it in a dry place. These caps are made to last, so with proper care, they'll serve you well for a long time.