As one of its daily deals, Amazon offers Prime members the Thermos Funtainer 10-oz. Food Jar in Blue, model no. F3003BL6, for $9.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.16.) That's the lowest total price we could find in any color by $5. It features vacuum insulation and a stainless steel interior and exterior. Deal ends today.