[Easy to carry]Can be put in your pocket to keep your hands and fingers away from the cold while on the court or by the lake. Replacement hand warmers are lightweight and compact, so you can easily store them without taking up too much space. [Reusable]The refillable hand warmer has a stylish and slim design that fits easily into your pocket. Our hand warmer measures 3.7 * 2.7 * 0.6 inches and weighs 147 grams. Our products are very portable and reusable. [EASY TO USE AND VERY SAFE]Easy to light up and very safe to use, just one fill of liquid fuel will keep you warm for about 20 hours. Remove the top of the hand warmer burner and use the spill-proof funnel to fill with warm liquid. After filling the hand warmer with liquid, turn the burner back on and apply the flame to it. Put the top of the case back into place. [Zinc Alloy Construction]Durable zinc alloy construction with beautiful appearance can ensure a long service life of up to several years. Using flameless platinum catalytic burners, it is very safe and clean to use. [Suitable for all kinds of outdoor activities]The hand warmer heater head is polished and the surface is electroplated to help you use it without hurting your hands. Perfect for those who engage in winter sports, fishing, golfing, hiking and many of your other outdoor activities that you also want to do in cold weather. Color: silver Packing list: 1pcs