For the Long Haul – Food stays hot up to 6 hours or cold up to 7 with THERMALOCK Vacuum InsulationSeal It In – Leak proof lid (when closed) to seal in the lunch time meal. Perfect for soup, pasta, salads and leftovers!Material Matters - 100% BPA Free Stainless SteelClean Up – Top rack dishwasher safe lid and bodyGet a Grip – Textured bottom grips the table and adds stability to the jarEasy Open - Ergonomic, contoured lid helps children open at school