Packing hot school lunches and keeping them warm - -
Amazon.com: Lille Home Vacuum Insulated Lunch Box Set for Men & Women - Leak-Proof Bento Box, Meal Prep & Food Storage Containers, Lunch Bag, Portable Silverware Set (Blue): Home & Kitchen
Thermal Lunch Box, Stackable Metal Stainless Steel Hot Food Bento Boxes for Adults, Lunch Container ,Insulated Lunch Bag for Hot Lunch (1/2-Tier) - Walmart.com