Corelle16-Piece Vitrelle Glass Pure White Chip and Break Resistant Dinner Set, Service for 4, White

Which is the whitest color? ...vivid white, pure white, or frost white.,,?

Could someone please tell me if the mugs are made in China ? Thank you kindly !

Does andyone know what size microwave would be needed for these dishes? I don't want the edges of the plates to hit when rotating.

What is the difference between these (pure white) and the 'vivid' white ones on other sites?