A 3 piece collapsible lunch container with 4 compartments, 4 sided sealing clamps and a microwave air release. The top tray has 3 compartments with the middle one for silverware. Below is a large compartment and is collapsible when finished or for storing. Lift the silicon vent hole when microwaving. Microwave safe and BPA free. 7 8/8" W x 3 1/4" H