Amazon's top cardboard box makers face challenges from plastic mailers
July 13, 2019 at 10:00 AM EDT
For the past few years, delivery boxes have been piling up on people's doorsteps and in apartment buildings across the U.S. Faster delivery, easier return policies and free shipping have fueled growth in the retail e-commerce market. Amazon alone shipped over 5 billion packages through Prime in 2017. The box business now faces a new challenge from lighter and cheaper plastic packaging.