PrepworksThe Prepworks Collapsible Storage Bowl Set expands to use and collapses to store, making it a great space-saving solution for every kitchen. Each bowl includes a leak-resistant lid that keeps your food fresh and secure, whether you're storing leftovers in the fridge or packing meals for on-the-go. The bowls collapse to 1/3 of their original size for convenient and space-saving storage. The Collapsible Storage Bowl Set is microwave and freezer safe, giving you the flexibility and convenience to freeze and heat up leftovers when needed.9188233778915047533