The entire product is home compostable! This means that it can fully break down within a short period of time without the support of a commercial facility, providing a truly sustainable life cycle. Each teabag is home compostable, leaving no trace behind. The envelopes are made from Nature Flex, a material comprised of renewable wood pulp which breaks down in the compost along with the sachet. Biomass fiber, biodegradability. Light, natural mild touch and silky luster Natural flame retardant, bacteriostatic， non-toxic and pollution prevention.