brand new and high quality Features: Safe, natural long lasting heat, odorless, disposable, single-use item, do not apply directly to the skin. Single use air-activated heat packs that provide every day warmth and are for ideal for keeping your body warm when the temperature gets cold. Made of iron powder, water, activated carbon materials.Safe to use. Friendly and natural materials without peculiar smell. Great for outdoor sporting events, hunting, fishing, camping, hiking, working in the yard, jogging or taking your pet for a walk. Convenient, compact, portable. Easy to store, can be stored in a backpack, suitcase or for jacket pocket. Specification: Optional type: 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 Material: Activated carbon, iron powder, water Heating for time lasting about 8 hours. Color: Random delivery Size:app. 11.5 x 16.2cm / 4.52 x 6.37in Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Disposable Hand Warmers(other accessories demo in the picture is not included.)