Tupperware "MM Oval" "Super Oval" Series Lid Seal Cap Lid These are airtight containers suitable for storing dried goods, powders, and ingredients in the refrigerator. Available in multiple sizes, they can be combined with other MM Ovals for storage. I've collected these from my parents' house. I believe they are almost unused, but please check the condition. Approximately 18cm tall, 9cm wide. Discounts available for bulk purchases; please inquire.