On amazon get this Laptop Lunches Bento-ware 17oz Insulated Stainless Steel Lunch Jar, Black
For $4.91 (add on item)
Ideal for packing soups, salads, and one-dish meals.
Vacuum sealed and double-walled to ensure maximum insulation; Holds Temp for up to 6 Hours
Doesn’t retain or impart flavors.
Measures 7” tall x 3.5” wide.
Made of high quality, non-toxic 18/8 food grade stainless steel. Contains NO phthalates, BPA (bisphenol A), lead, or PVC.