These Stackable Pop-Up Freezer Pots Make Storing Food Easy. They Are Perfectly Portioned For First Foods. Make Up Your Purees In The Baby Food Blender And Then Store What You Don'T Need In The Pots In The Freezer For Later. They Come With A Lid For Travel And Have Built In Soft Push-Up Bases So You Can Remove Frozen Food With No Effort Or Defrosting Required. • 4 X 2Fl Oz Pots With Leak Proof Integral Lids • Can Be Easily Stacked In The Freezer Or Fridge • Soft Push Up Bases That Make It Easier To Remove Frozen Food • Bpa-Free