Leakfree Once its tightened up its tightened up The structure is so solid and so strong that there are precisely zero chances of the container leaking so you can put your mind at rest 3 Bowls in 1 Jar You can either pack food in just 1 hollow wide mouth jar 67oz or in 3 flask bento box Two of them are 16oz and one is 55oz The separate containers for you to pack different kinds of food and dish them in whatever way you prefer without having to worry about bringing additional containers ANTISCALD PROTECTION Made with antiscald doublewall construction to protect your skin and other surfaces against damage from high temperatures So you can feel secure about the containers youre carrying ODORFREE CORROSION RESISTANT Stainless steel vacuum within flask is corrosionresistant and ensures your food is not only warm but in excellent condition Even after a long day it still smells fresh Heat Retention This food jar keeps your food warm or cold perfect for keeping lunch warmAnd before use preheat the box with boiling water for better insulation effect note big size NOT FOR KIDS