Item Type: Outdoor Hand WarmerMaterial: Zinc Alloy .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 120 Cooling Holes: There are 16 cooling holes on the side of the hand warmer and 4 cooling holes on the top. 2Fashion Design: Made of zinc alloy material, strong and durable, with highly polished finishes and stylish design. 3Insulation and Heating: After ignition, cover the lid and put the hand warmer into the insulation bag to prevent overheating. Soft insulation bag can maximize heat preservation. 4High Heat Dissipation: Using physical principles to ignite and heat, it can provide up to 12 hours of soothing warmth, and can provide constant temperature heat dissipation for long time. 5Applicable People: Easy to carry, the reusable hand warmer is suitable for the elderly, pregnant women and children. It is a good warming product for office workers.