Amazon offers its Prime members the Thermos Stainless King 16-oz. Food Jar with Folding Spoon in Midnight Blue for $16.59 with free shipping. Outside of the seller below, that's the lowest price we could find by $4. It features a lid that doubles as serving bowl.

Note: It's not expected to ship before August 14. A close price, Walmart offers it in Silver for $16.97 with in-store pickup.