From food prep to baking and storing these Pyrex ramekins are so versatile and a must have in every kitchen. Made from borosilicate glass and can withstand temperatures from -40° C to 300° C. Thermal shock resistant which means these ramekins can go from a freezer at -20° C to 200° C directly. BPA free and scratch resistant. Microwave and freezer safe. Made with a hygienic material that doesn't retain odours. 10 years manufacturer's warranty. Diameter: 10cm.