250ml vacuum flask

A capacity-marked vacuum flask gives buyers and end users a clear way to compare sizes before ordering, and this category collects those flask models in the smaller milliliter range. Each unit pairs a double walled vacuum body with a screw lid that seals the contents for travel. The single listing here sits in the low-to-mid price band, which suits sampling programs and volume orders alike.

Construction follows the pattern common to stainless steel vacuum flask ranges: a stainless steel inner and outer shell, a vacuum gap between them, and a fitted stopper or cup lid. The milliliter marking helps a promotional supplier match flask size to a giveaway budget and helps the end user judge how much tea, coffee, or water the flask will carry on a commute or day out.

Buyers in this range are typically importers, distributors, and promotional suppliers assembling catalogs for corporate clients, schools, and event organizers. End users are commuters, hikers, and office workers who want a compact flask that fits a bag or cup holder. Because the flask is small, decoration space is limited, so check print areas before committing artwork.

Practical sourcing checks start with the seal: confirm the lid threads engage cleanly and the stopper does not weep when the flask is tipped. Inspect the weld line at the base of the stainless steel shell and the finish inside, which should be smooth and free of residue. Verify stated capacity against the marking, and ask whether the flask is suited to hot or cold liquids only.

Consider the wider assortment when building a range. A tea pot vacuum flask or a bullet vacuum flask covers different shapes and pouring styles, while a printed thermos flask serves buyers who want decoration built in. An eco friendly vacuum flask appeals to clients with sustainability goals. Match each model to its audience and keep capacity markings consistent across the line.