Continental Sleep, 13-inch Soft Innerspring Eurotop Mattress and Split Traditional Box Spring / Foundation Set, No Assembly Required California King Size OPTIMAL BACK SUPPORT Our Orthopedic mattress keeps every inch of your spine supported, so you wake up feeling great ULTRA LUXURIOUS Foam-encased springs and a soft Euro top cushion you throughout the night PERFECT FOR YOUR LIFESTYLE Edge supports and a strong box spring allow you to sit on the edge of the bed without sinking. You can work and read in bed with ease with this bedding set READY FOR USE Mattress and box spring are assembled and ready to be used in your bedroom