Not include power bank. Compared to the US size, the size of the Thermal underwear is small, so it is recommended to buy one size larger! ★Why choose our heated thermal underwear？ *Carbon fiber heating, zero radiation. *Health Care: Helps promote blood circulation and relieve muscle pain. *Heating base layer is made of soft, skin-friendly and lightweight fabric with fleece lined. *3 levels of adjustable temperature, 5V safe voltage. *Easy to Match and Great for many Occasions. ★Specifications: Gender: Women Surface layer: 95% cotton 5% spandex Inner layer: 90% polyester fiber 10% spandex Size: S~3XL Package: 1*Tops;1*Pants ★Wash 1.Machine washable. When washing, remove the power bank. 2.In the case of machine washing, please wash your clothes in a laundry bag. 3.To ensure the longevity of clothes, try to avoid strong washing and drying.