1、Platinum catalytic combustion, no flame, eco-friendly, safe and reliable. 2、Small oil consumption, long burning time, economical and practical use. 3、Beautiful appearance, easy to carry, convenient to put into your pockets. 4、Wide range of use, elegant fashion, suitable for all ages to use in winter. 5、Oil aromatherapy 5-10 drops can be added according to your preference. 1 x Warmer 1 x Storage Bag 1 x Funnel  Condition: 100% Brand NewItem Type: Hand Warmer  Size: Approx. 10.4 x 7.1 x 2.1cm / 4.1 x 2.8 x 0.8in Material: IronApplicable population:Suitable for all kinds of people who live, study and work in cold and cool environment.Suitable for students without heating facilities, weak and afraid of cold, menstrual abdominal pain, winter travel and outdoor sportsThe elderly and have stomach cold, cold, neuralgia, cervical pain, rheumatism, low back acid and other diseases need hot compress physical therapyOutdoor workers, such as guard, geology, petroleum, scientific research, transportation, national defense personnel.Instructions: 1. Open the upper cover of the warmer 2. Hold both sides of the fire head with your hands and remove it gently. Do not touches the platinum catalyst with fingertips. 3. Add power oil to the funnel 4. Insert the bottom of the funnel into the warmer and rotate the funnel 90 degrees, and the power oil flowing into the warmer automatically 5. Fill with oil and fire.Tilt the warmer about 45 degrees and contact the flame tail of the lighter with the catalyst for 3-5 seconds.Put the warmer into the warmer bag. After a few minutes, the warmer temperature can get to about 60℃.