HPI806S14 Features: -BPA free airtight container.-4-Side locking system.-Airtight due to equal pressure to all sides.-Locks tightly with hollow-center silicone.-Airtight seal with great elasticity.-Superior raw material with durability and heat resistant.-Safe for change of temperature from -4 to 210 F.-Excellent space saver in the refrigerator, freezer, cupboard and drawers.-If these containers were to be used 10 times a day, they would last for 821 years.-Passed the KEMTI bending test.-For use in the microwave, freezer, and dishwasher. Includes: -Includes: (2) 1.5 cup, 3.5 cup, (3) 1.5 cup, 6.6 cup, 9.5 cup, (2) 2.8 cup, (3) 1.25 cup, 2.9 cups.