- Borosilicate glass: thermal shock resistant\n- Easy grip\n- Microwave safe\n- Scratch resistant\n\nDiscover Irresistible, new glass roasters generation. \nThanks to its larger handles, deeper roaster and brand new design, the new Optimum range is perfect for everyday cooking. Optimum dishes are available in different shapes and sizes, to perfectly suit your needs, this for home-made great times!