Nalax foot warmers feature double-sided heating design. Heating both the bottom and top simultaneously can fully heat up your feet in a short amount of time. It can also effectively relieve muscles, chronic pain, increase blood circulation, relax and warm your legs, abdomen, back, hands, and thighs. In this cold winter, you definitely need a large foot warmer like this. 40 * 39.5 * 1.5cm, making your feet flexible, comfortable, and warm. The 10 foot power cord allows you to easily use it anywhere indoors. The bottom of the foot warmer adopts anti slip design to ensure minimal sliding during use. The button at the foot warmer helps protect your feet and keep them warm continuously. Very suitable for use on sofas, floors, or under desks. Are you still worried about choosing a perfect winter gift? This foot guard is made of high-quality flannel, which is soft, smooth, warm and comfortable. This is the best winter gift for the elderly, friends, men, and women. Easy to clean, worry free after-sales service: Our double-sided foot warmers are washable. You can easily clean it. We provide you with a one-year warranty and after-sales service. If you have any questions, please feel free to contact us at any time. We will reply to you and solve your problem as soon as possible