T-Sac Tea Filter Bags are single-use, disposable tea infusers for steeping high-quality loose leaf tea with the convenience of tea bags Steep tea with a more robust flavor without the hassle or mess of conventional straining methods; filters out sediment from finer-grade loose teas Made in Germany from natural, chlorine-free, paper fibers; will not taint the flavor of brewed tea Great for steeping all types of tea, including black tea, oolong tea, green tea, chai, chamomile and other herbal tea, and for mulling spices, too 1-time use; easy to fill; disposable for easy cleanup; fully compostable and biodegradable