i don't think it's illegal. they can provide whatever mirrors they want lol i just want them IN my change-room rather than outside. I think Cue (or Ojay) has mirrors that make u look larger.
Oh and i hate the ones at Bras and Things. They never close all the way, and hello, i'm trying on a bra!!!!!! Majority of the time, little kids come running through thinking you're their mother! It's crazy