No more cold hands! Micro Flannel® Heated Hand Warmer is the perfect companion for at home or outdoors during cold-weather activities, like concerts and sporting events. The battery-powered heating system gently provides luxurious warmth and comfort for your hands while you enjoy the cozy, ultra-soft feel of the Sherpa interior lining. The heating system will run for about 3 hours using 2 AA batteries (not included). The Micro Flannel® exterior includes a zipper revealing a pocket for keys, wallet, phone, or other personal belongings. Designed to last, the printed Micro Flannel® exterior will never fade and is wrinkle-resistant. To clean, use a clean, damp cloth to spot treat as needed. This product is ETL tested and certified. Micro Flannel® is a registered trademark of Shavel Home Products, patent pending.