Easy to brew using a teapot or tea server. You can also boil it like barley tea. Made from 100% pure echinacea leaf material only. No other parts are used. *The product is in a zip-lock type bag, so you can open and close it. It's convenient because you don't need a tea caddy.* We are a farming family, so please forgive us if our response is delayed due to work. Details: Ingredients: 100% Echinacea Contents: 50g Origin: USA Expiration Date: 2 years Storage: Room temperature *Shipping will be via Nekopos (a Japanese postal service)* Please note that we cannot offer discounts. If you would like to purchase multiple items, including other products, please indicate in the comments. We will create a dedicated listing for you. --------------------- Legal Information Category: General food (not a medicine) No notification required to the health center --------------------