Made from 100% non-porous glass.

It Preserves the Vitality and Freshness of Your Food with Its Unique Leak-Proof Feature.

It can be used in a microwave oven with a lid and the ventilation valve open.

You can use the storage container in the refrigerator and freezer down to -20C.

High Thermal Shock Resistant.

Hardened Extra Durable.

Can be washed in the dishwasher. *Does not contain BPA*Can be nested.

When used in the microwave, the valve must be opened, and when used in the refrigerator, the valve must be closed.