It is for commercial use of popular Japanese black tea. Please use it at cafes and restaurants. One tea bag can brew about 1L of black tea. Hammy's original Japanese black tea made from tea leaves grown in Kumamoto Prefecture without using chemical fertilizers or pesticides. Nibancha is completely fermented and finished as Japan black tea "Japanese black tea". It is an easy-to-drink black tea where you can feel the flavor of Japan tea. Tea bags are made from corn, making them biodegradable. Unlike general nylon filters, microplastics are not released, so you can enjoy tea in tea bags with peace of mind. With one tea bag, you can make three cups of tea in a 150ml cup, or a large capacity such as a 500ml to 1000ml water bottle, so you can enjoy tea in the same cup many times, or put one in a water bottle It is a convenient tea when you go out.