[mattbessey]

A handle is a bottle size in the US, 1.75L. Often made of plastic since its so big it would weigh more in glass, and perhaps because the kind of booze you buy in that quantity ain't luxury.

[mseebach]

And, pertinent to the name, such a bottle will often have a handle built in.

https://siestaspirits.com/products/jim-beam-kentucky-straigh...

[Shengbo]

Thanks, never seen anything like that in Europe.