Spinal Solution, 11-Inch Meduim Plush Foam Encased Hybrid Eurotop Pillowtop Innerspring Mattress And 4-Inch Split Wood Traditional Box Spring/Foundation Set, Good For The Back, No Assembly Required, California King Size 84" x 72" Orthopedic type mattress Fully assembled mattress and box spring are ready to use Medium plush mattress Pillow top, Euro top mattress for enhanced comfort 396 innerspring verticoil for pressure point relief to reduce tossing & turning Strong & sturdy box spring Made in USA