Fill your own Tea Bags! Tea Cup Size Bags! These classic "press and seal" empty tea bags are indispensable for all your custom tea blends. A fun and economical way to share any herbal formulas you create. One tea bag holds approximately 1-4 ounces of herbs. All our bags are heat sealable and oxygen bleached! How to fill a Tea Bag: 1) Fill about half full with tea or herbs 2) To seal, press with a household iron on cotton setting or use a curling iron. 3) Enjoy a fresh cup of tea. Size of tea bag 2.75 x 2 Inch (70 mm x 55 mm)About the tea paper: Our tea filter paper is the same tea paper that is used by the largest tea companies in the United States. In fact there are really only two major suppliers of tea filter paper in the world. The tea paper is made of a special blend of thermoplastic fibers, abaca and cellulosic fibers. This tissue has a high wet strength with neutral odor and flavor characteristics making it a highly acceptable media for bagging tea. The tea paper is compost-able but not biodegradable.