Natural and Safe: The Ultra-violet sterilized tea bags are made of wood pulp paper, sealed by heat press, no glue, odorless, biodegradable & compostable. unbleached,non toxic. No pollution to our circumstance. Multiple Usages: Apart from tea, it can also be used for coffee, herbs, scented tea, foot bath, soup, bamboo charcoal bag etc. Just and enjoy your leisure time. Meanwhile it is regarded as a perfect gift idea for those who loves tea or coffee. Perfect for loose tea, spice, plants, coffee or herbal powder. Excellent Permeability: Easy to fill, there is a drawstring to prevent any loose leaf from escaping,no fuss, no mess. Enjoy loose tea anywhere and anytime, make loose tea fast and easy with virtually no clean up. Mess-Free: No need to clean up, brewing becomes much easier, better than a metal infuser. Sturdy to Cook: The tea bags wouldn't fall apart, when be used to brew coffee or tea in microwave oven or in pressure cooker. while it can be put boiled water without damage or release harmful materials.