ASHLEY SLEEP ESSENTIALS 10 INCH HYBRID KING MATTRESS - M58941 Item no M58941 Enjoy endless possibilities for restful sleep with this hybrid innerspring mattress. You get the best of both worlds the pressure relief of cooling gel-infused memory foam, coupled with body-contouring pocketed coils for superior support. Rest assured that high-density quilt foam provides the comforting feel you love. Plus, this mattress arrives in a box for quick, easy setup. Just cut away the plastic wrap and unroll it. Foundation box spring available, sold separately. Comfort level medium 10 profile height High-density quilt foam High-density gel memory foam lumbar support Individual power packed wrapped coils 2 perimeter rows of 9 13-gauge pocketed coils for edge-to-edge support Flame-retardant polyester comfort fiber Adjustable base compatible 10-year non-prorated warranty Note Purchasing mattress and foundation from two different brands may void warranty check warranty for details Foundation box spring sold separately State recycling fee may apply Mattress ships in a box please allow 48 hours for your mattress to fully expand after opening Fabric Details Body Barrier Coating 11 ,Fillament Poly 11 ,Para Aramid Fiber 5 ,Polyester 20 ,Viscose 53 Body Polyester 100 Body Polyester 100