Use these Duralex bowels for  storing food – fruits – vegetables . You can heat the food using the  bowels – put the bowels in microwave – oven without the lid and in the freezer and the fridge with the lid . The bowels are 100% made in France.  – 12 Pcs Duralex Bowels 100 % made in France – sizes : 3 pcs 16 / 3 pcs 18/ 3 pcs 20/ 3 pcs 22 – Use the bowels in Microwave , Oven (with out the lid ) and in Freezer , Fridge ( with the lid ).