Outerwear: Get a USB heated vest in black and pink! Working time: Up to 8 hours. Material: Made from 100% polyester. Three modes: Warm: 45℃ (red light), comfort: 35℃ (white light), energy saving: 25℃ (blue light). Sizes: In UK women's 6-16. Care: Machine washable (remove power bank before washing). Women's Heated Usb Vest | Black | 6/16 UK | Living Social