Material: 32 counts brushed cotton + 32 count cotton on one side;
Battery: 3400mAh /12-volt Lithium-Polymer battery;
Heating Areas: Left & right chest, a large zone in the back;
LED Controller with 3 Heating Settings: High, medium, low;
Size: S / M / L / XL;
Customization: Material, color, size, voltage, power, battery specifications, heating area, etc. all can be customized. Welcome to consult!