grey owala

Common capacities listed are 18 oz and 24 oz, with many product pages showing a 24 fl oz model.

Listings show double-wall and vacuum-insulated constructions, and some descriptions reference triple-layer insulation.

They’re described for both hot and cold drinks; at least some listings also note they can hold carbonated beverages.

Typical 24 oz models list heights from about 10.68 to 11.87 inches and widths from about 2.91 to 3.24 inches.

Many product descriptions claim drinks stay cold for up to 24 hours, attributing this to vacuum/double-wall or triple-layer insulation. Actual cold-retention can vary by model, fill temperature, and usage conditions.

Many listings describe leakproof lids, and some note a cup-holder–friendly shape. Leakproof performance and cup-holder compatibility can vary by model, so check the specific product description.

Most listings recommend hand washing and note the bottles are easy to clean. Follow the manufacturer’s care instructions on the product page for guidance on cleaning lids and removable parts.