Usb Electric Heated, Rechargeable Shoes For Winter Warmer, Foot Heating Pads. Features: This is a Portable Rechargeable Heated Insoels. Rechargeable Lithium Ion Polymer Batteries Are Mounted to Your Ankle Via Velcro Tape. These Can Be Charged Via Power Bank or Mobile Phone Ac Adapter. The Heated Insoles is Made from Soft Elastic EVA-foam, Thickness is Approximately 0.19 In . You Feet Don't Feeling Any Tight Squeeze when the Insoles Fit in to Your Shoes. This Electric Insoles Can Be Bent by 180 Degree. It is Washable, Reuseable. And You Can Wash It Via Brush.(not for Machine Washing). Specifications: Material: Carbon Fiber Color: Black Insole Thickness: 4mm Type: Forefoot, Full Foot Package Included: 2 X Shoes Pad . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.