Zippo 12-Hour Black Matte Hand Warmer. These Heaters & Heat Packs brought to you by Zippo use easy fill technology to fuel up and keep your hands nice and toasty for 12 hours for ice fishing trips outdoor sporting events and anywhere else you want to stay warm. The durable metal construction of this Zippo 12-Hour Refillable Hand Warmer increases its durability and longevity for years of use. Even though this device uses lighter fluid to operate the warmth it generates is completely flameless for optimal safety. Fight the cold with the best tool on the market - the Zippo Portable Hand Warmer. Specifications for Zippo 12-Hour Hand Warmer: Manufacturer: Zippo Gender: Unisex Weight: 2.6 oz Blade Material: Metal Features of Zippo 12-Hour Hand Warmer: Small sleek design; Durable metal construction Reusable; easy fill technology Gentle flameless warmth Perfect for cold weather activities Warming bag & filling cup included Lighter Fluid Refillable Package Contents: Zippo 12-Hour Hand Warmer Zippo 40334: 12-Hour Black Matte Hand Warmer