This Pyrex Cook & Heat dish is made from borosilicate high tempered glass. It enables you to cook and bake in the oven (up to 300 degrees without the lid), then cool and freeze, store and reheat in the microwave, according to your needs. Equipped with a patented lid with valves, specially developed to release steam, it lets you easily reheat your meals in the microwave without making a mess. The airtight BPA-free lid with sliding valve and locking clip lid is also ideal for storing your meals in the fridge. Square dish with lid - oven, freezer and dishwasher safe - 1 litre capacity, size L20, W17, D5.6cm. General information:Interior material: tempered glass. Exterior material: tempered glass. Dishwasher safe. Oven safe up to 300°C. Manufacturer’s 10 year guarantee. EAN: 3426470279598.