Sleep Master 12-Inch Pressure Relief Memory Foam Mattress and Platform Metal Bed Frame/Mattress Foundation, Full Price: $422.32 (as of 18/10/2017 12:31 PST- Details)

Mattress layers include: 3″ memory foam (3 lbs. density), 3″ super soft foam with pressure relief system, and 6″ high density foam base.
Steel bed frame eliminates need for a boxspring
The mattress is shipped in a small box and can take up to 48 hours to fully expand from its compressed state.