EARTH'S BLACK TEA BAGS 20PCS is the best way to enjoy tea. They make a great cup of a hot tea or iced tea, and they're perfect for travel. The bags are made from 100% biodegradable materials, so you can feel good about your drink while enjoying the outdoors. Earth's Black Tea is made from the highest quality tea leaves and is processed using only natural and sustainable methods. Herb Oreal believe in offering a product that tastes as good as it feels good to drink. These bags are biodegradable, so you can feel good about helping the environment without even knowing it.