Autocastle Electric Battery Heated Gloves for Men and Women is made from high quality spandex fabric cotton. The spandex fabric is waterproof, windproof, and is touchscreen capable. These warm heated gloves require two (2) AA batteries , they are not included with purchase. The rechargeable li-ion battery is highly recommended for use. Please do not use batteries over 4.5V, otherwise it will damage the gloves heating elements. The heating area is mainly on the palm and back of the hands. After heating up, the warmth can spread to the entire hands. These heated gloves are great for all types of activities such as hunting, fishing, skiing, snowboarding, snow plowing, riding your motorcycle, and even for walking the dog. The electric heated gloves are not only for outdoor activities, they also offer great relief for poor circulation, arthritis, or any kind of winter cold issues. Glove is a One Size fits most. Hand Wash, or Soft Washing is recommended.