Natural and safe: 600pcs Natural wood pulp filter paper, unbleached,, processed by UV sterilization and infrared drying. They are fully biodegradable and environmental keeping a . Perfect design: 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. High quality: The filter paper features strong penetration and high temperature resistant, let the tea seep through easily and quickly to get more strong tea, while it can be put boiled water without damage or release harmful materials. sizes : 7 x 5 cm/ 2.75 x 1.97 inches, fit containers with different caliber. Widely used: Apart from tea, it can also be used for coffee, herbs, scented tea, foot bath, soup, bamboo charcoal bag etc. Just relax and enjoy your time. Meanwhile it is regarded as a perfect gift for those who loves tea or coffee. Material:filter paper colour:Brown Package Contents: 600 x Filter Paper Tea Bags Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.