Scratch Resistance* The extraordinary glazing fired under highly controlled conditions ensures strong resistance to scratches and abrasions. Microwave Safe* All our range of products are completely safe to use in the microwave. Super white* Enhanced whiteness is an outstanding feature with the Diva collection. We use the finest quality of chemical components to enhance the subtle glow of opal making it whiter than ever. Toughened Extra Strong* In comparison to normal annealed glassware the Diva tempered opal glassware has greater resistance to impact and have a longer usage life. Break Resistant* In an unlikely event of breakage Diva tempered opal glassware shatters into harmless fragments in contrast to the annealed glassware.