Heat is instant and reusable up to 100 times. Warm your hands quickly, without harming the environment with our reusable hand warmers. Our Hot Poc are odorless, economic, non-toxic and easy to use. To activate the reaction, bend the metal pellet slightly to trigger 30 to 60 minutes of heat depending on the size. To reuse the heat up to 100 times, boil the Hot Poc for 5 minutes. Each box includes a Hot Poc boil bag. 100% Canadian and pro-environment company. Each Hot Poc saves 2 kg of charcoal unlike other disposable hand warmers on the market. Our reusable hand warmers are perfect for any situation. Skiing, hiking, camping, vanlife, hunting, fishing, snowmobiling, family outdoor activities and for those suffering conditions worsened by the cold such as Raynaud's syndrome and Arthritis.