According to their Facebook page (
https://www.facebook.com/people/%E0%...00007001983196) they've backed down from opening 24 hours to opening from noon to six a.m.
They say they are located in the middle of Ramkhamhaeng 53, which is right across from Ramkhamhaeng University.
Now that they have added an actual sauna, it doesn't sound all that different from any other sauna, frankly.
99 baht includes locker, towel, and two hours of internet time.