(KTXL) – Just about every plastic milk jug has a circular indent on its side, but why? Is it just decoration? Does it help determine expiration? Some people may not have ever noticed it. “Most people ...

We may receive a commission on purchases made from links. The empty milk jug from your breakfast could go in the trash, but have you considered its many uses in your garden? Made of High Density Poly ...

The existence of circle indents on plastic milk containers is a recurring source of internet speculation. "Why do milk jugs have these," a Redditor asked in a 2015 post in the r/whatisthis, for ...

Our planet has been grappling with a global plastic waste problem for decades, but things haven't gotten any better with each passing year. As of 2025, global thermoplastic production is expected to ...