The Rubbermaid 1806233 Lunch Blox - Entrée Kit 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 Sandwich kit comes with The Entrée container that 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 Entree Kit also comes with two side item containers which are perfect for a small side salad and a dessert. To finish off the Entree kit, there are two small sauce containers that you can put two small sides in to round out your meal. All of these containers snap together around two Blue Ice blocks that keep your meal cool for up to four hours. This full set is everythign you need to bring an entire meal to school or work. The Lunch Blox system is space efficient and is 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.