Fabric: Polyester Machine Wash WARMTH SURROUND YOUR WHOLE BODY9 carbon fiber heating elements generate heat in the collar, mid-back, shoulders, waist and abdomen area. You can adjust the 3 available heating settings with the push of a button. The ladies' warm vest will protect every part of your upper body from the cold. QUICK AND LONG-LASTING WARMTH heated vest will be Fast heated in seconds with 5V battery pack; Up to 9 working hours on a single charge; Of course,heating vest for women also has another USB port for charging the smartphone at the same time. AFRAID OF BEING OUT OF FASHION? WILL NOT heated vest is neat and tailored design. Lightweight, windproof and waterproof material, coupled with stylish design, allows you to wear it in a variety of ways without any restrictions on sports. ANYWHERE, COLD WILL BE FAR AWAY FROM YOUWhether you are fishing on the frigid sea, skiing in the snow-capped mountains, cycling on the windy road, or walking your dog in the cold air, following your favorite football team in the stadium, even working hard in a way- Too-cold office, EAY heated vest will keep you warm. YES! EASY TO CAREheated vest is machine washable. Package include 1 * women's heated Vest,Battery pack not included. IT IS YOUR PERFECT CHOICE FOR WINTER OR FOR A CHRISTMAS GIFT!