The filter paper features strong penetration and high-temperature resistance, allowing the tea EASY TO USE: Easy to fill, and the drawstring prevents any loose leaf from escaping. You can enjoy loose tea anywhere and anytime, no mess, no fuss TEA SEPARATION: The tea bag plays a role of filtration, which can control the brewing time, while avoiding the tea foam into the mouth. Suitable for DIY disposable tea bag, fill some broken tea foam into tea bag, safe and convenient NATURAL AND SAFE: Our tea filter bags are made of natural wood pulp filter paper, which is unbleached, and processed by UV and infrared drying. They are fully biodegradable and environmental friendly WIDELY USED: Not just created for tea, also perfect for coffee, herbs, scented tea, foot bath, soup, bamboo charcoal bag, medicine package. Besides, this tea filter bags are package by sealed paper bag, it is also a great gift for those who loves tea or coffee