Crown Comfort 10-inch Premium Memory Foam Mattress and Bi-Fold Box Spring Set-Twin

Amazon.com Price:  $549.99 (as of 19/10/2017 04:57 PST- Details)

Premium comfort from body-conforming memory foam.
No pressure points / Deeper Sleep
7″ Legs, what you can attach to box spring, are included so you don’t need to install other bed frame.