Leegoal (TM) Disposable Drawstring Seal Filter Empty Paper Tea Bags (White,L Size,Set of 100) Natural materials, high-grade filter paper;Size:L 8.5x11cm/3.3x4.3inches With draw string closure, sealing it off by string High strength, good toughness and heat resistance Healthy: Non-toxic and safe to our body Suitable for tea, spice and herbal powder