The water bottle of the moment is extra tiny. Reusable water bottles are getting smaller. Thin Owala bottles usurped Stanley tumblers in 2024, then shorter, thicker Bink bottles had a moment in 2025.

Then there's Haley Carter, 28, from Tennessee. She told BI that she's used her micro bottle as "an emergency milk stash" to keep the drink cold for her 1- and 3-year-old children on the go.