https://www.teabagfilter.org/fabric-net-cloth-mesh-cloth-mesh-fabric/tea-bag-mesh/hot-sales-pla-biodegradable-filter-mesh-roll.html
PLA Biodegradable Filter mesh fro triangel tea bag with string and label PLA is a new biodegradable materials made of starch materials from corn fiber. It is heat resitant, Non toxic and odorless, and it is totally safe to contact with food due to its natural extraction. After degradation, it enventually turns into water and carbon dioxide, so it is It is very beneficial to protect the environment and is recognized as an eco- friendly material.