Brand: Lock And Lock Material: Polypropylene Colour: Borosilicate Glass Capacity: 160 ml Inclusive Of: 1 Pc Microwave Safe (Without Lid), Oven Safe (Without Lid), Dishwasher Safe Salt and Oxidation Resistant Freezer to Microwave at once Stain and Odor resistant Product Description Lock And Lock Glass is made of borosilicate glass which could withstand high heat and sudden cooling. So it can be safely used in the oven, microwave and dishwasher. It can withstand temperatures upto 400 degree celsius.