Have you tried these Rubbermaid Brilliance containers yet? They are pretty awesome! They’re 100% leak-proof with an airtight seal and secure latches. The Rubbermaid Brilliance 10-pc set on Amazon is a steal at only $12.96 right now! this set includes (2) 1.3-cup containers with lids, (2) 3.2-cup containers with lids, and (1) 9.6-cup container with lid.