No kitchen should be without this range. The microcook products are invisible so to speak to the microwaves, therefore the jug itself does not heat up. The handle stays cool and is so much easier than reaching for the gloves and pyrex! This is due to the Ultrason material that it is made from.
You can use the 200ml turned upside down to cover the 500ml, and vice versa.
Excellent product for melting chocolate (yummy) and such like and reheating. I'm always using these for gravies!