Size:One Size Material type:Metal About this item Easy to carryCan be kept in your pocket and take the chill out of your hands and fingers whilst on the field, or down at the lake.Hand Warmer Replacement is light in weight and small in size, so you can easily store it and will not take much space. ReusableRefillable Hand Warmer has a sleek, thin design that can easily fit into your pockets. Our Hand warmer is 3.7 * 2.7 * 0.6inch,and weighs 147g. Our product is perfectly portable & reusable. Easy to use and very safeEasy to light and perfectly safe while in use, keeping warm for about 20 hours just one filling of liquid fuel.Remove Handwarmer burner top & fill the warmer with fluid using the spill-proof funnel. Once you have filled the Handwarmer with fluid, place the burner back on, & apply flame to it. Put the case top back on. Zinc alloy structureDurable zinc alloy construction with beautiful outlook to ensure long service life for may years.Very safe and clean to use as it uses a flameless platinum-catalyzed burner. Suitable for all kinds of outdoor activitiesHand Warmer Heater Head is polished and its surface is electroplated, which help you use it without harm your hands.Perfect for those doing winter sports, fishing, golfing, hikers and many other outdoor pursuits which you want to still do in the cold weather. Easy to carryCan be kept in your pocket and take the chill out of your hands and fingers whilst on the field, or down at the lake.Hand Warmer Replacement is light in weight and small in size, so you can easily store it and will not take much space. ReusableRefillable Hand Warmer has a sleek, thin design that can easily fit into your pockets. Our Hand warmer is 3.7 * 2.7 * 0.6inch,and weighs 147g. Our product is perfectly portable & reusable. Easy to use and very safeEasy to light and perfectly safe while in use, keeping warm for about 20 hours just one filling of liquid fuel.Remove Handwarmer burner top & fill the warmer with fluid using the spill-proof funnel. Once you have filled the Handwarmer with fluid, place the burner back on, & apply flame to it. Put the case top back on. Zinc alloy structureDurable zinc alloy construction with beautiful outlook to ensure long service life for may years.Very safe and clean to use as it uses a flameless platinum-catalyzed burner. Suitable for all kinds of outdoor activitiesHand Warmer Heater Head is polished and its surface is electroplated, which help you use it without harm your hands.Perfect for those doing winter sports, fishing, golfing, hikers and many other outdoor pursuits which you want to still do in the cold weather.