Made from borosilicate glass, the food storage containers are air tight, leakproof, freezable, microwavable and oven safe | Microwave safe| oven proof| freezer proof,plus, it's entirely dishwasher safe, making cleaning hassle-free | You can use this storage kitchen container for storing, freezing, reheating, baking and serving | Material: borosilicate glass|air vent lid with silicon inner| capacity ( ml):620ml| dimension:170x124x50 mm | 1 year warranty against thermal shock | Color: Transparent, Material: Glass | Package Contents: 1 x Microwave Sets