To make sure you get the highest quality & the healthiest meal, we created these boxes with healthy components for you! Made from Hygienic Materials, the lunch box is Safe for food storage & consumption. Carrying Lunch to Office is So Easy Now! Cello Max Fresh lunch box set comes with a bag along & has a woven belt that makes it easy to carry around wherever you go. The container of the lunch box has four side locking lid which prevents the food from leaking out of the container. Your food remains fresh & Crispy throughout the day, thanks to the air-tight polypropylene lids. These containers are also microwave-safe (without lid); hence no need of chasing for a separate container to warm your food. The container can be used to heat your food directly in the microwave (without lid).