Amazon operates its own fleet of jets to deliver packages around the world and get them to customers faster.
The company said on Tuesday it was expanding its number of aircraft and plans to have 70 by 2021 as part of its offer to complete its own deliveries so it can deliver products to customers in just one day.
Fifteen Boeing aircraft will be added as part of this, which are the oldest 737-800 aircraft that have been converted to carry cargo around the world.
The Business Insider took a look at a newly converted Paris Air Show before being delivered.
Here's what the plane is like: