These valuable food storage containers package comes with 18 BPA - free food grade materials containers with 18 airtight lids. This set contains 6 different sizes:5*1.4oz(41ML),4*8oz(240ml),3*17oz(500ml),2*18oz(530ml),3*34oz(1000ml),1*85 oz(2500ml).The BPA-Free and reusable material is microwave safe with out lid. You could use these containers to store leftovers which is economical and environmentally friendly. Meanwhile, these food containers are easily stackable into kitchen cabinet or pantry organizer.These high-graded containers for food storage with lids have 4-hinge locking system which makes them leak proof. And the high quality material make it freezer safe all the time.