Cool Gear EZ-Freeze Expandable Bento Box, Purple Expandable bento box compresses for easy storage when done Lid with snap tight tabs keeps your food secure and fresh Gel filled freezer tray is non-toxic and keeps helps your meal cold for 4 hours Multiple containers nest neatly into the freezer tray Main container: 53 FL oz (1.57 L), medium container: 8 FL oz (236 mL), small containers: 3.5 FL oz (103 mL)