This arm warmer is made of fluffy material that gently wraps around your wrist. A practical item that frees up your fingertips. A very light and warm material obtained by brushing raccoon fur (The material is made by a manufacturer who acquired ICCAW, which is a certification for humans, animals and the environment.)Because it is a valuable material that can only be obtained in limited quantities, we arrange for the appropriate amount at least one year in advance each year and create it with limited items. model number: 5565 5565