Description: Quantity: 14pcs, Size: 7x8.3cm Heating Temperature: 55C Shelf life3 years Hours8-10hours ApplicationBody Ingredientsiron power, salt, activated carbon, etc. Specifications: xEssential for keeping warm in winter xThe 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. xOdorless, disposable, do not apply directly to the skin. xWhen to use: Jockey clubs, outdoor sports activities, hunting and fishing, camping and hiking, yard work, jogging or walking with pets. xConvenient, safe, practical and portable. xTips 1Please 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