100% brand new and high quality Features: Safe, natural long lasting heat, odorless, do not apply directly to the skin. Safe to use. Friendly and natural materials without peculiar smell. Heating time lasting up to 6-8 hours. Made from high quality material, it is durable to use. Cartoon cute egg shaped hand warmer. Do not need to charge, with the warm core heating. Ergonomic design, comfortable grip. 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 jacket pocket. Specification: Material: Environmentally Friendly ABS Plastic+Activated Carbon+Iron Powder Optional Style: 1 Repalcement Core, 2 Hand Warmer Egg Shell(no core) Color: Random color delivery(if you buy more than one, you may receive the same colors or several color) Size: app. 8.5x8.5cm/3.35x3.35in Heating Time: about 6-8 hours Quantity: 1 pc Cautions: Do not use it while sleeping. Children and skin are not sensitive to temperature changes, please pay attention when in use. 0-3 years old, please use it under the guidance of parents. Please avoid using a long time in the same location. If there is an abnormality, please remove it immediately. Do not use the eggs directly. No need to rub it before use, do not eat. Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3cm 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: Style 1: 1 x Replacement Core Style 2: 1 x Hand Warmer Egg Shell(No Core) (other accessories demo in the picture is not included.)