The plastic caps on milk cartons have gotten 21% shorter, to save weight. Water bottles are also thinner with shorter tops.

You'll need around 250 clean plastic caps, a sheet of cardboard, clear plastic, strong glue, an empty plastic bottle, and some time and patience.

Some Coca-Cola bottles are getting their annual spring glow-up. Supermarket shelves are now stocked with yellow-capped Coca-Cola bottles in observance of Passover, which begins on the evening of ...

Once a year, Coca-Cola releases bottles topped with yellow caps to signify that the product is Kosher for Passover. That means instead of using high-fructose corn syrup, which is forbidden for ...

Walmart has received three reports of people being struck in the face by the bottles’ lids, and two people have suffered ...

I fell in love with Origin’s sustainable materials business but the more I learn about its PET bottle caps, the more I have grown to appreciate the technology.

Is this a spring thing? Why you only see yellow caps on Coke bottles this time of year.

The yellow caps indicate that the soda is kosher, or fit, to drink on the Jewish holiday of Passover. It's made with sucrose instead of corn syrup.

Tethered caps are not easily removed from plastic bottles – they are difficult to throw away even if someone wanted to. The initiative is modelled on a packaging change in the 1980s.

Learn about reusing plastic water bottles, including the concerns, alternatives, and best practices.