breast milk thermos

Capacities vary widely: small single‑use storage pouches start around 6 fl oz, internal reusable bottles/systems commonly hold about 6–11 fl oz, insulated thermos‑style coolers are typically about 20 fl oz, and a separate mixing pitcher option is shown at about 28 fl oz.

Common included components are one or more frozen ice packs or a cooling puck, reusable internal milk storage bottles, and a screw‑on lid or thermo‑lid. Some models also include a carry handle or integrated carrying feature.

Cold retention varies by model and cooling system, with reported ranges of roughly 16+ hours up to about 24 hours depending on the product and how it’s packed.

Some models include a thermo‑lid or built‑in temperature indicator; reviewer summaries also reference integrated thermometers or other temperature‑monitoring elements on certain units.

Sizes in these listings range from compact pouches around 6 inches tall up to insulated thermoses about 11.65 inches tall. Reported weights run roughly from 0.7 lb up to about 1.5 lb, depending on the model and included components.