1 Pair Soft Cold Resistant USB Charger Electric Heated Insole Foot Warmer1 Pair Soft Cold Resistant USB Charger Electric Heated Insole Foot WarmerSpecification: Made of high quality velvet material, soft and comfortable to wear. USB rechargeable design, you can get with power bank, adapter, computer charging, very convenient. Washable, can be washed with water when there are odors. Thanks to it, you don't have to worry about your feet being frostbitten in winter. Item Name: Foot Warmer PadMaterial: Non-woven + Super-Soft VelvetFeatures: Durable, Soft, USB Rechargeable, Washable Size 35-36: Length: 23cm/9.06" (Approx.) Size 37-38: Length: 24cm/9.45" (Approx.) Size 39-40: Length: 25cm/9.84" (Approx.) Size 41-42: Length: 26cm/10.24" (Approx.) Size 43-44: Length: 27cm/10.63" (Approx.) Size 45-46: Length: 28cm/11.02" (Approx.) Notes: After washing, it must be completely dry before use, and the USB cable connector will not get into the water as much as possible, prevent rusting, and then cause weak. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 Pair Foot Warmer Pad1 x USB Cable