16 oz / 47ml
Here's what other sites are saying:
Lightweight, unbreakable, spillproof flask with 16 oz capacity. Lid measures 1 oz.
- Ramsey Outdoor
Made from lightweight unbreakable plastic. Comes with 1 oz. measuring cup. Holds 16 oz. Wt. 2 oz. Size: 3.25" x 6.75" x 1.5".