From the manufacturer:It took more than a year of R&D and working with over 1000 bassists to develop Elixir® Strings for Bass. The NANOWEB® Coating on our Nickel Plated Steel and Stainless Steel Bass Strings is more...

From Elixir:Working closely with the global bass community, we asked 4000+ players what they needed from a bass string, and recruited 1000+ players for field trials to help improve the playability and our protective...