The new Coke bottle is part of the company's efforts to make its containers from renewable ingredients. Coca-Cola debuted "PlantBottle" packaging in 2009, which is 30% comprised of plant materials.

About 10 years ago, a plastic Coca-Cola bottle weighed 27 grams. In 2023, it weighted 21 grams. Now, it weighs 18.5 grams—the lightest it’s ever been.

Coca-Cola bottle patent, 1915 Records of the Patent and Trademark Office, National Archives. Of course, Coke itself is much older than the iconic bottle.

Coca Cola has switched to bottles that are made from 100% recycled plastic for its Coke brands. The change is expected to reduce the annual amount of plastic the company uses by 83 million pounds.