1) Warm hands in cool weather Our hand warmer uses PVC and gel materials. It is thick, leakproof, and features tight edges to provide safe and long lasting warmth. Ideal for cold days outdoors or cool offices. 2) Portable heat source Gel hand warmers offer easy to carry heat that is always within reach. Lightweight and compact, with a diameter of 10 cm, they are the perfect companion for outdoor adventures and travel. 3) Reusable and convenient No power supply or charging is required. Our gel hand warmers are reusable and easy to use. Simply bend the small iron sheet to quickly start the heating process and enjoy heat anytime and anywhere. 4) Keep your hands warm The gel hand warmers are suitable for cool winter days and help you stay warm and comfortable at home or during outdoor activities. Use scenarios - Outdoor activities: hiking, camping, skiing, fishing on cold days. - Commutes and travel: daily commute in cold offices or weather, flights and long journeys. - Home and casual wear: staying warm during relaxing time at home or in chilly rooms.