NATURAL AND SAFE: Natural wood pulp filter paper, unbleached,non toxic. No pollution to our circumstance. 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. 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 leisure time. Meanwhile it is regarded as a perfect gift idea for those who loves tea or coffee. PERFECT FOR TEA LOVER: Our tea bags are perfect for loose tea, spice, plants, coffee or herbal powder. 100% natural, unbleached, designed as purely as possible so that the taste of tea is not affected by the bags,and also the paper thin enough to allow the tea to seep through easily, steeps a flavor full and enjoyable brew! Package include: 1 x set(500pcs) of empty tea bags NOTE 1.Please allow slight deviation for the measurement. 2.Due to the light and screen difference, the item's color may be slightly different from the pictures,thanks for understanding. Usually, our size as bellows: 5 * 7 cm Filling with less than 5g materials 6 * 8 cm Filling with less than 8g materials 7 * 9 cm Filling with less than 14g materials 8 * 10 cm Filling with less than 20g materials