lille home 22oz stainless steel leakproof 2-compartment lunch box, bento box, portion control food container with an insulated lunch bag, perfect holiday gift (blue) lille home <p><b>keep food fresh, and delicious with an insulated bento lunch box from lille and make every meal more enjoyable! </b></p> <p>please note that this is not an insulated lunch box so it can only keep your food warm for 1-2 hours. but please be aware that there a couple of things will affect the insulation: (1), the amount of the food in the lunch box. if the food is less than 3/4 of the lunch box, it may reduce the insulation capability. (2), the original temperature of the food put in the lunch box needs to be high enough. </p> <p><b>product details:</b></p> <ul> <li> </li> <li>food-grade safe plastic, premium stainless steel ss304 </li> <li>bpa free, non-toxic </li> <li>leak-resistant seals </li> <li>available colors: blue, gray and green </li> <li>satisfaction guaranteed </li> </ul> <p></p> <p><b>useful tips: </b></p> <ul> <li> (1) the clips on the 4 sides are easily to be opened and closed, so please don’t pull too hard. </li> <li> (2) please always open the tiny valve on the lid first to release the pressure before opening the lunch box to avoid damage to the handles. </li> <li> (3) please do not use it in the microwave or dishwasher. </li> </ul>