Description: With their continuous heating and constant temperature, these warmers have a long-lasting warming effect and are very comfortable to use. You can keep your body warm with these body warmers and they are disposable and self-adhesive, making them convenient and easy to use. It is constructed of activated carbon material. The length of this product is 12cm and width is 9cm. The warm stickers are suitable for outdoor sports events, hunting and fishing, working in the yard, jogging or pet walking. Item Name: Warm Stickers Material: Activated Carbon Shelf Life: 2 Years Heat Generation Time: 10 Hours Specification: A (Mugwort Warm Stickers), B (Ginger Warm Stickers), C (Beneficial Motherwort Warm Stickers) Features: Persistent Heat, Constant Temperature, Disposable Size Details: Length: 12cm/4.72" (Approx.) Width: 9cm/3.54" (Approx.) Notes: 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. How to Use: Remove heating from the outer packaging, shake to activate. Warm is heated within 15-30 minutes. After use, it is treated with conventional garbage. Ingredients will not hurt the environment. Package Includes: 10 x Warm Stickers