This Lunch box is made of BPA-free, food-grade PP plastic. The perfect design of 1900 ml makes the bento lunch box for kids large capacity and light weight. Safe for Microwave. The lunch containers with portion control help you keep your diet plan and lose weight. Great for school, office, camping, hiking and fishing. 8 15/32" L x 5 45/64" W x 3 15/16" H