Feature:100% Brand new and high qualityNo pollution to our circumstanceWays of seal off: seal it off by stringNo using hot iron or electric ironThese bags are used for filling with 3 ~ 8g mixture of tea or dry herb or plantsSuitable for tea, spice and herbal powderSize: from 5.5 x 7cmMaterial: Non-Woven FabricsColor:whitePackage included:100pcs Empty Tea Bags