Brand new without tags.  
Labelled as a Medium however comes up small sized - UK 10 
See the size chart

Material Composition = 90% Polyester, 5% Elastane 5% polyester
Lace tie up at the back - don't unlace completely before wearing as it is difficult to relace. 

How to wear: The size tag is located closely to the narrower side of a corset. 
Wear the narrower side on the upper abs and the wider side on the lower abs.
24 Spiral Bones provide great support.

With modesty panel at back. 
Matching G-String.