Size: 7 x 9 cm, perfect media size for single cup, travel mug, glass Natural and Safe: Natural wood pulp filter paper, unbleached, burlywood color, processed by UV sterilization and infrared drying. Easy to use and Remove: 400 pack of quality tea filter bags, enough to use for a long time, Can throw it away and no need washing the strainer every time you want tea. Well performance: filmy paper with strong penetration of water, make the tea seep through easily and quickly to get more strong tea, never taint the flavor of brewed tea; Allows for the fullness of flavor while also confining debris. Widely used: Great used for tea, coffee, scented tea, herbal tea DIY, foot bath package, hot pot package, soup package, clean air bamboo charcoal bag, sachet bag, desiccant storage, etc Color: brown Material: paper Package Contents: 400 x Tea Filter Bags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.