About this item 100% Leak-Proof: Double sealing ensures that no food or liquids will leak out of the box. Smart airtight clips used for high efficient sealing. this insulated bento lunch box keeping food separated and organized TEMPERATURE INSULATION: The insulated bento lunch box usually can keep food cold for 1 hour. couple of things will affect the insulation: A, The amount of the food in the lunch box should be 3/4 of the lunch box B, The original temperature of the food put in the lunch box should be cold enough. LUNCH IN STYLE: Who says lunch can't be fun and fashionable? Kids love the cool design and if you take them to work, you're sure to get some compliments from colleagues. Eat your meals in one of the most beautiful reusable insulated lunch Container INTELLIGENT TEMPERATURE DISPLAY: This ; insulated bento lunch box have a LED Intelligent Celsius-Degree Temperature Display on the top of the Bento box without-battery change which has long-term usage. The warmth of every moment you can see just by gently touching the top of the bento lunch box cover. GREAT SIZE & EASY TO CLEAN: 28 oz Food storage for kids school lunch meals, enough room for larger food portions, kids will not coming home hungry, Warm water wash and dry it keeping beautiful feeling nice