Warm or cool - why choose? The b.box insulated food jar is your best friend for school lunches or on-the-go baby and toddler feeding. Designed to keep foods temperate throughout the day, great for assisted or independent feeding. It keeps food cool for up to 7 hours and warm for up to 5 thanks to the insulating double walled stainless steel superpowers. Remove the handles and bumper for a cleaner, aged-up look.