M size corresponding gloves are 28.5 cm in length, 11.5 cm in palm width.L size corresponding gloves are 30 cm in length, 12.5 cm in palm width. Please choose according to your actual palm size The Heated Skiing Gloves provide a wide heating area covering all fingers in case of poor blood circulation, arthritis, cold weather, or simply for more comfort and warmth. Connect the battery with the connector in the glove, put the battery into the glove storage bag, after about 5 minutes, the glove is heated inside, up to 55 degrees The flexible heating fiber is combined with the inside of the glove to form a whole, which has good heating effect, effectively prevents heat loss, transmits more heat to the inside of the glove, and feels comfortable and not stiff Comprehensive waterproof treatment: the glove surface is made of water splash proof fabric, and the surface is waterproof while preventing wind. The zipper is coated with waterproof treatment, which has good waterproof effect Note: This product does not contain battery or power