To use these earmuffs, simply adjust the headband to fit your head comfortably. Put them on and enjoy the warmth on cold winter days. They're great for skiing, walking outside, or any winter activity. When it comes to maintenance, gently hand - wash the earmuffs in cold water with a mild detergent. Avoid wringing them out; instead, pat them dry with a towel and let them air - dry. Keep in mind that this item is non - refundable, so choose carefully before purchasing.