The Rubbermaid 1806178 Lunch Blox - Entrée with trays is part of the new Rubbermaid Lunch Blox Series which is designed to make taking lunch to school or work more convenient and organized. The Entrée container is designed to bring in a full meal in once container. This is great for left overs and comes with microwave safe, slide in dividers to keep your different foods seperate. The Lunch Blox are space efficient and are designed to work together to save space and stay organized in a lunch bag. The pieces of the lunch blox can be configured to fit any lunch bag and work in conjunction with the lunch blox blue ice to keep your lunch chilled for up to four hours. The lunch blox containers are perfectly sized for common foods taken on the go. All Lunch blox containers are Durable and Leak-Proof, as well as Microwave, Dishwasher and Freezer Safe, BPA Free.