I rinsed out a milk jug and drilled a few holes in the cap. It’s a good size, lighter weight and easy to carry. — Matt Boley ...

"Why do milk jugs have these," a Redditor asked in a 2015 ... The patent filing lays this out as well: "the size and depth of the indentations may be varied … and are used to control the fill ...

(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.

Whether you buy whole, 2 percent, or skim, the plastic containers milk comes in all share something in common: There’s an inverted circle built into one side of the jug where a smooth ...