Spandex Fabric Cotton Men Women Heated Gloves with battery cases. Name: Electric heating gloves. Material: polyester fiber (polyester cloth, cotton). Heating film: imported composite wire, the back of the hand is heated. Voltage: 4.5V. Size: L size free size. Temperature: 50. Configuration: 2 battery boxes. Heating Element:Carbon fiber heating elements covers whole back of the hand. Usage:Winter outdoor sports,like cycling,motorcycling,hiking, fishing,maintaining running,climbing, skiing, hunting, walking dogs,shoveling snow, Indoor and outdoor work dual use,heating warm and durable. Promote blood circulation. Reduce hand cold and Hand frostbite problem. Say goodbye to Raynaud's,Arthritis,Bad Circulation,Stiff Joints. Men Women Gloves:The electric heated gloves have 3 layers: waterproof coating fabric, breathable,heating and insulation. High quality fabric electric gloves to get through the cold winter Heating. Battery unit is light,Easy to carry. Battery operated gloves,6 Batteries are needed,recommend to use AA SIZE rechargeable batteries,the heated effect will be perfect. Package Included:One pair of gloves, 2 battery cases and instructions, NO BATTERY INCLUDE.