Using high-quality Oxford cloth, thickened middle layer, and food grade PEVA lining, it is sturdy and durable, and can keep food hot/cold for hours. Our insulated lunch bag keeps your food/drink at the optimal temperature. Fully functional, easy to maintain, and equipped with a front pocket for storing tableware and a side mesh pocket for accommodating beverages. This lunch box with a detachable buckle handle can be tied to any backpack or suitcase, making it an ideal lunch bag for work, office, school, and travel. The lining can be easily wiped clean with a damp cloth.