Space-Saving Design: Collapsible containers shrink to 1/3 their size, making them ideal for small spaces, travel, and organization. Durable & Safe: Made from BPA-free silicone, these containers are microwave, freezer, and top shelf dishwasher friendly. Airtight Lids: Secure lids keep food fresh while allowing easy visibility of stored items. Versatile Use: Suitable for lunches, meal prep, leftovers, or organizing small household items. Set Includes: 2-12oz, 1-17oz, 1-27oz, and 1-40oz containers