Description This Monbento MB Tresor Kids Lunch Box is made of food-grade PP and Tritan. It is was designed in collaboration with parents and approved by kids with opening and closing clasps that are specially adapted to little hands. Make the lunch box absolutely unique with the MB Tresor tag hidey-hole! Interchangeable designs enable you to add the little owners name or a picture of his favorite superhero. The personalization feature cuts out any risk of bento boxes getting mixed up at playtime! Short Description Designed in France - Several international awardsBPA-freeBPS-freeSoft-touch surface - Practical and environmentally friendly - Stylish and economical - Dishwasher-safe(without lids)Microwave-safe(without lids)Freezer-safe - Easy to clean - Components 1 lid (PP)2 locks (PP)2 food cups (PP + Tritan)1 intermediary lid (PP)1 seal (silicone)1 container (PP)Specification: Product dimensions: L16cm*W9.2cm*H10.4cm - Capacity: 800ml (2*150ml+500ml) Weight: 385g - How to optimize your new companions efficiency - Warm up/cool down the container beforehand: fill with boiling/cold water, close the lid and leave for 30 seconds at least. Then push the steam release first before opening the lid and emptying out. - Fill the bento box with very hot/cold dish. Should it be reheated before being placed in the container, prefer the use of a saucepan to the microwave for a more homogeneous temperature and result. - Fill the container completely: the insulating efficiency is best when the container is full. - Close the lid quickly and tight after filling container: to limit heat/coldness loss. - Do not open the bento box before your meal: every opening causes a heat/coldness loss. - Favor food with small pieces to big chunks. - Store your bento box at room temperature (210C 69,80F minimum) to keep your food warm/in a cool place (150C 590F maximum) to keep your food cold. - Mix the food before tasting to ensure a homogeneous temperature.