1oz./40ml. 2oz./70ml. & (new) 4oz./140ml. All three sizes of Baby Cubes can be mixed & matched to fit into trays. Sold in sets of four or eight Baby Cubes. Each size comes with a storage stacking freezer tray. Ideal for freezing homemade baby puree…keeps baby food as fresh as the day it was made. Makes complete meals by mixing & matching different sizes. Reduces waste by only having to defrost what is needed  Ideal for freezing breast milk. Ideal for storing small individual toddler snacks. Trays stack one on top of each other in freezer saving valuable space. Airtight, freezer & dishwasher safe. Travel well from freezer to microwave.  Contain no Bisphenol-A (BPA), Phthalates or Lead.  Complies with all USA (CPSC) safety standards   Case Pack: 36 Units (all sizes).