Size:60x80cm Gradient Double-sided cotton velvet : Gradient color, front and back compose of gray and blue warm and stylish made of super soft cotton velvet material.USB power connector and extension cord give you a more free experience. Only Central Heating: Lightweight and invisible,built-in carbon fiber heating pad can be used by mobile power, laptop, car USB adapter,USB socket charger, USB hub, MicroUSB mobile phone charger. Indoor and Outdoor: Designed to provide extra warmth for luxury travel, office, home, outdoor and vehicle use.It has a portable function and generates a reasonable amount of heat according to the USB power limit. Easy to Care: Can be easily treated, machine washable and roller dried.Please disconnect the power cord before washing or drying. Low voltage safety: 5V-12V or 2.0-3.0A standard power output with waterproof cable. Material: Falai cashmere and lamb cashmere Package Contents:1X Heating blanket Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.