Sleep Master Ultima Comfort Memory Foam 8 Inch Mattress, Queen Price:  $170.10 (as of 18/10/2017 12:51 PST- Details)

Conforming memory foam comfort and support for a refreshing night’s sleep
Mattress layers include: 2 inches Memory Foam, 2 inches Pressure Relieving Comfort Foam, and 4 inches High-density Base Support Foam
The latest evolution of memory foam, BioFoam, replaces some of the traditional petroleum with natural plant oil to help keep your mattress fresh