Select Costco locations have the Adidas Excel Insulated Lunch Pack on clearance sale for $6.97.
I see this at Costco CA Bay Area location. It comes with Black and Grey Colors!
It has a good amount of storage space for food and drink with 3 zippered compartments and a mesh pocket on the back. It comes with a buckle feature to attach to a backpack for convenience. Original price was $12.99.
Find a Warehouse: https://www.costco.com/