Nylon Filter Mesh Roll Material for triangle Tea bag 1)Food grade Nylon material is heat resitant, Non toxic and odorless, safe and ideal material for tea bags. 2)Prymid shaping tea bag is artistic and attractive. 3)Nylon mesh tea bag is transparent makes tea leafs visible blooming in the water and the mesh helps tea leafs release the fragrance into the water. 4) Customized logo printing on the tag and tea bag shape are available. Useages:Filters for green tea, black tea, healthcare tea, herb tea and herbal medicines.