Cool Gear Ez-freeze&reg; Collapsible Bento Box (Set of 2) Multiple Containers nest neatly into freezer tray. Non-toxic gel filled freezer tray keeps food cold & fresh. Collapsible bowl holds your favorite meal - compresses for easy storage. Lid has snap tight tabs which keep food fresh! Main Container: 53 FL OZ - Medium Container: 8 FL OZ - Small Containers: 3.5 FL OZ