I haven't used Elixir for many years, and I was again impressed by the sound of the strings, which remains well sounding for months, as long as you clean the strings with proper string cleaning products.
However, the low E-string broke after only a couple of weeks, and when I thought about it I haven't broken a string for many years, since actually I was using Elixir (also the low E-string that time). Maybe a coincidence, but in my thought it points to weak build quality.
So, good sound but use with a bit of extra care