With orders of $25 or more, Amazon offers Prime members the Thermos Lunch Lugger Cooler in Black for $6.50 $7.10 with free shipping. That's the lowest price we could find by $18. It features dual compartments, a front storage pocket, and an adjustable shoulder strap.

Note: This item is available via Amazon's "add-on" program and can only be purchased with an order of $25 or more.