Digital Car Carbon Monoxide Alarm with Thermometer Display Rechargeable Battery Powered CO Detector for Vehicle Indoor Quantity: 14pcs,Size: 7*8.3cmHeating Temperature: 55CShelf life3 yearsHours8-10hoursApplicationBodyIngredientsiron power, salt, activated carbon, etc.Specifications:*Essential for keeping warm in winter*The disposable hand warmer provides daily warmth. It is the ideal equipment when the temperature gets cold. It is designed for your hands, feet and body.*Odorless, disposable, do not apply directly to the skin.*When to use: Jockey clubs, outdoor sports activities, hunting and fishing, camping and hiking, yard work, jogging or walking with pets.*Convenient, safe, practical and portable.*Tips1Please do not directly attached to the skin, products should affixed to the outside of socks.2Please do not use at bedtime.3Please avoid using for a long time in the same place.4Children under (6 years old) and the disabled or sensitive skin should use more attention in the low-temperature burns happen.5Pregnant women and young children are forbidden to use this product.Package Included:14pcs Disposable Foot Warmer