interested why Luxi does not have the Mattress Underground seal?
Questions pop up every once in a while why a company or retailer is not a member here of the site (Luxisleep is not a member), so your question allows me the opportunity to link to this information again – thank you!
The reasons why a manufacturer is invited to become a member here of the site and why I consider them to be among the "best of the best" are
. The goals and values of the site are
You can read more about Luxisleep
if you are interested in them.