360 wrap design with a soft thick flannel cover provides even heat for a cozy experience in cold weather. The heated USB foot warmer is ideal under a desk or on a sofa. Removable, washable cover with a roomy pocket design makes it easy to slip in feet and hands. The smooth surface is machine washable for simple cleaning. Easy to use and portable. Lightweight and USB powered, so you can relax and warm your legs anywhere. Suitable for use on a sofa, in bed, on an office chair, or at home. Average size fits both men and women. Large enough to wrap cold feet anywhere, delivering extra warmth for a cozy night in winter. Use scenarios: - At a desk or work area to keep feet warm during long sessions. - Relaxing on a sofa or in bed while watching TV or reading. - In bed before sleep for pre-warming and comfort on cold nights.