An advertisement that is Made of Shiny has decided that the product need do nothing but look good in the ad. There's almost no accompanying text or voice over, no features to extol. You're just meant to look at The Shiny and want it. This is literally true, as market research has shown that any shiny product will be more attractive to consumers than a less shiny one.
A surprising number of car ads rely on Made of Shiny, as do 99% of all fashion and perfume
This is particularly prominent in short commercials, and takes advantage of the fact that mere exposure to a brand can make it familiar and therefore preferable.
There are a couple of things that are
in fact Made of Shiny
Contrast Design Student's Orgasm