Shipped from Hong Kong. One size fits most. High quality plush material is used in the product which is soft and comfortable, keeping your feet long time warm. Skin-friendly plush, warm and comfortable. And it is easy to clean with the detachable and washable design. It uses 5V power supply with USB interface, stable and quick heating. Multi functional travel buddy, great for home, office, outdoor etc. Very cute and collectible, a perfect gift for your friends or family.