This skirt is new.
It states it is a 38 but comes up large so will fit a size 12-14.
It is unlined. 
It has a shimmer thread running through which sparkles all over. 
It is very stretchy. 
It has an elasticated waistband. 
Please see photos for material breakdown and measurements. 
The waist will stretch approx. 8" at the waist.
The photos don't do it justice.