Food-grade non-woven fabric, safe, non-toxic and tasteless, self-degradable after discarding Great for Loose Tea, Coffee, Spices, Herbs, DIY Scented Tea, DIY Tea, Packets, Foot Bath Packets, Hot Pot Packets, Bubble Milk Tea, Big Tea Pot Brew Tea or Big Pot of Soup and drawstring closure, portable tea for tea cups, quick permeate flavor release, no tea leaves escape, keep brewed tea clean, easy to dispose of after use Upgraded high-grade drawstring food-grade filter bags, after high-temperature sterilization, good toughness, high temperature resistance, strong penetrating power, and finer density Colour:White Material:non-woven fabric Size: 5 x 7cm Package Contents: 1000 x empty tea 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.