Yikaisu Bento Lunch Boxes Microwave Oven Food Safe Boxes with 2 Containers & Matching Spoon&fork Blue Material: Plastic, cover: PS,can be heated in the microwave oven. Size: 7.87 * 5.12* 3.93IN ,capacity: 850ml,can storage a lot of food,suitable for students ,teachers& white collars and office workers ,etc. Bento box features convenient inner compartments & an easy-click lid for no spills and no mess. Bento lunch boxes are sturdy,stylish,and stackable - designed with fashion,built for function.The bottom of the upper box has silicone seals, so the lower is sealed, keeping food fresh. Containers are made from 100% food grade PP ,Includes 2 stackable containers and a spoon & a fork ,easy to open and convenient to use.