The Frog & Co. Hand Warmer Rechargeable QuickHeat PRO with Portable Power Bank by Survival Frog is a compact and portable hand warmer designed for winter sports enthusiasts. With a sleek black design and a manufacturer warranty of 1 year, this hand warmer is perfect for keeping your hands warm during outdoor activities like skiing, snowboarding, and snowshoeing. The rechargeable feature and included portable power bank make it convenient to use on-the-go, ensuring that you stay comfortable and cozy in cold weather conditions. Made in China, this hand warmer measures 4 inches in length and 2.5 inches in width, making it easy to carry in your pocket or backpack.