The mailers are
made from a combination of PBAT, a bio based polymer which is compostable, and
PLA which is made up of plant materials such as regular ﬁeld corn and wheat
straw. The use of PLA makes up barely 0.05% of the annual global corn crop,
making it an incredibly low-impact resource.
Each bag will
break down within 90 days in commercial compost and 180 days in a home compost
conditions.