Best Price Mattress 8" Contour Support Pocketed Coil Mattress and 14" Dual-Use Steel Bed Frame/Foundation Set, Twin Independent operating coils create a responsive and supportive sleep experience Two separate foam layers of soothing soft foam for comfort Completed mattress support system-replace old frame & box spring 14" high-storage space Pocket Coil Counts Per Size: Twin 496 / Full 682 / Queen 800