- Thermal Shock Resistant Borosilicate Glass
- Over 5 Times Stronger than Regular Glass
- Goes Directly from Freezer to Microwave!
- Freezer, Oven and Microwave Safe
- BPA, Lead, PVC & Phthalate Free
- Air Tight & Leak Proof
Portion, serve, store and warm your healthy, homemade food all in the same jar!
- Over 5 times stronger than regular glass! Can safely go directly from freezer to microwave or oven without the need to defrost