The newest, easiest way to brew high quality coffee on the go without any mess! Open the bag and add your ground coffee, pour in 300 to 400ml of hot water, let steep for 4 minutes, and pour coffee into your cup. The included Japanese filter material removes particulate giving you the best of both direct contact and pour over/filtered brewing methods.
Inner bag layer is constructed from Food-Grade Metallocene with 8 Carbon Structure which has a heat resistance exceeding 250F.