Stay warm sustainably with Hot Poc's eco-friendly 4-pack reusable hand warmers. Perfect for outdoor adventures and everyday use, these innovative devices provide up to 30 minutes of reliable warmth wherever instant heat is needed - whether hiking in the mountains, commuting on chilly mornings, or enjoying a winter outing. The set includes a durable protective metal case for easy portability and a boiling bag for simple reheating, offering up to 100 uses. Experience versatile warmth solutions - Keep your hands cozy, relieve cramps, warm up sleeping bags, thaw electronics, or remove humidity from boots and enhance comfort during any activity.