The Arctic Zone Stainless Steel Thermal Bowl. No more twisting, turning, and struggling to get the lid off! No more worries about hot soup spilling! Be back to school ready with this addition to your lunch bag.This BPA free, leak proof, personal size food container keeps food or liquids hot for up to 7 hours or cold for up to 9 hours and features a safe and easy-to-use 4-lock lid. We asked several young kids to test the 4 locking tabs on the lid to ensure that the container really is easy to open. All of them gave us a thumbs up! Upgrade your kitchenware to include this for your food storage needs.The container is constructed of stainless steel with triple-walled vacuum insulation for temperature retention and copper lining for better performance. It features an extra-large opening and holds 2 cups (16 oz./480mL). The perfect size for lunch bags and coolers! Great for school lunches, quick meals at the office, meal plan organization or kitchen storage.