Our warmers should not be washed in washing machines just as you would not machine wash a leather jacket. They can be wiped with a lightly water-dampened cloth and left to air dry. We also offer a Natural Fur Cleaner which will help keep your warmers pristine for years. If by accident your warmers go through the washing machine, shake out the excess moisture, dabbing with a clean, cotton towel. Gently reshape the leather, and allow to air dry. You are always welcome to contact us, if you would like additional guidance.