Food-grade material:the tea bag filter is made of food grade non-woven fabric, which is natural white, non-toxic, tasteless and self-degradable after processing. Good set:Includes 200 tea bags tea filter bag, size (7 x 9 cm), each tea bag is made of double-layer fabric, quick-penetrating fragrance release. Drawstring design:This tea filter bag with drawstring is easy to tie and is perfect for loose tea. And it is convenient to carry small things everywhere with these bags. Keep the original flavor: Drawstring tea filter bags have good filterability, which can prevent fine tea leaves from falling off , filter tea stalks and tea residue, retain original flavor and keep brewed tea clean. Wide Applications: Disposable tea bags for tea Perfect for loose leaf tea, coffee , spices, herbs, DIY fragrant tea, herb bag, foot bath bag, soup bag, dry petal storage, desiccant storage, etc.