Wearable feet warmers -- the oversized foot warmer fits both men & women, big enough to wrap your cold feet all over and offer extra warmth, no more sleepless night in chilly winter, convenient for home & office use.$ Convenient design -- with usb interface design, the shoes heat up quickly when charged, convenient and practical.Anti-slippery base ensures feet warmers to stay firmly on the ground without displacing.$ Washable -- made of high pile fabric, the slipper surface does not lint, comfortable to wear. It can keep warm for a long time, making your feet warm.The foot warmer is not only warm keeping, but also washable with water.$ Non slip design -- the reverse stitching non-slip fabric ensures the foot warmer will not slide on the ground $ Package included -- 1pc x foot warmer; size(l*w): about 38x38cm,(suitable for eu size of 34-46).multi-color choice: there are a lot of colors to meet your different needs.