Sleep Master 8-Inch Memory Foam Mattress and Bi-Fold Box Spring Set, Queen Price: $499.99 (as of 18/10/2017 12:39 PST- Details)

Mattress layers include: 2″ memory foam (3 lbs. density), 2″ super soft foam with pressure relief system and 4″ high density foam base
Our patented pressure relief system virtually eliminates all pressure points to ensure a comfortable nights sleep
Bi-fold box spring simply unfolds and you lay your mattress on top; The steel frame provides maximum edge firmness