Amazon’s decision to move to lightweight flexible plastic mailers over its traditional cardboard boxes will likely set a trend for the rest of the industry, according to Wood Mackenzie Chemicals’ recent Q1 2019 Flexible Packaging Global Market Overview.

EnvyPak received a new ruling from the United States Postal Service that provides lower automation letter rates for a specially formatted, poly envelope that now doesn't require an affixed mailing label, can be sealed with glue applied by lettershops and is fully machine-insertable.