Features: 1.High Quality: This electric foot warmer is made of Flannel composite fabric, soft and comfortable. The soft and thick flannel cover keeps the heat in the pad and makes your feet feel warm. 2.50 Fixed Temperature: This electric foot warmer has a constant temperature of about 50, the temperature is suitable, and it will not be very hot. It is heated by USB, plug the USB plug into a computer or mobile power supply and you can start using it. 3.Multiple Uses: This USB heated warm foot cover protect your feet from the cold floor in the cold winter and prevent frostbite. In addition, it can also effectively relieve muscle pain, promote blood circulation, and can effectively relax and warm your legs. 4.Detachable & Washable: The electric foot warmer could be detached, easy and convenient to clean. After the heating plate is removed, the foot pad can be cleaned. Before cleaning, always remove the mains plug from the socket first. 5.Wide Application: The electric heated foot warmer measures about 30 x 30 cm/11.8 x 11.8", lightweight and portable. Can rolls up or use a pouch to storage, so that you can take it with you at work, at the gym, when you travel or go camping. Specifics: 1.Material: Flannel composite fabric 2.Size: About 30 x 30 cm/11.8 x 11.8". 3.Function: Warm your feet, effectively relieve muscle pain, promote blood circulation, relax and warm your legs effectively. Package Include:1 x USB Heated Foot Warmer. Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you