Features: 1. Made of composite fiber material lightweight comfortable and soft can improve the heating effect and maintain the temperature. 2. USB charging fast and long-lasting warmth: The USB interface is compatible with most mobile power supplies on the market (not including mobile power supplies). 3. The electric heating sheet is specially designed for men and women giving you a warm feeling in the cold winter. 4. Applicable to multiple occasions: very suitable for outdoor activities such as camping hiking skiing fishing office etc. You can put it in your coat to keep it warm and decent. 5. This is an excellent holiday gift for family and friends especially suitable for the elderly and outdoor enthusiasts. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Composite fiber Size: 7*11cm Note: The product does not include the mobile power in the picture. includes: 1 x One Drag Three Heating Sheet "