The Stearns & Foster® Estate collection is designed to deliver supreme, indulging comfort. Crafted by our certified master craftsmen with the world’s finest materials, plus our IntelliCoil® to deliver the perfect level of support. It sets the bar for any premium mattress.Indulge Memory Foam:An exclusively made foam engineered for Stearns & Foster by the scientists at Tempur-Pedic®. Indulge yourself with a plush, comfortable feel, plus premium pressure relief for all-night support.IntelliCoil®:The world’s finest bed wouldn’t be complete without the world’s finest innerspring. The IntelliCoil is our patented coil-within-a-coil design, allowing sleepers of all body types to find their perfect level of support.PRECISIONEDGE™ + AIRVENT System:Provides comfort, support and breathability throughout creating a mattress that’s durable, flexible, and decadently comfortable from edge to edge.Note:Split Cal King is made up of 2 pieces. You must select a quantity of 2 for these sizes for a complete set.Mattress Top Type: Tight TopMattress Type: InnerspringIncluded: 1 Mattress(es)Features: Fire Resistant, Temperature RegulatingAdditional Information: Suitable for Adjustable Bed FramesCoil Count: 1954 CoilsManufacturer Warranty: 10 YearBed Size: KingMeasurements: 76 Width/Inches, 13.5 Height/Inches, 80 Length/InchesBase Material: 100% PolyurethaneComfort Type: FirmCare: Spot CleanCertifications And Listings: Cpsc - 16 Cfr 1632 Compliant, Cpsc - 16 Cfr 1633 CompliantMattress Height: 13.5"Country of Origin: Made in US Visit our Furniture & Mattress Customer Care Center for delivery options, protection plans and other services.Problem with an order or need help with a return? Our Furniture & Mattress Customer Service agents will be happy to help. Give us a call at 1-800-442-7902Don’t forget to print off your delivery checklist to avoid any delays or issues when delivering your item. Includes mattress only. Mattress plus box spring option also available. This mattress meets the requirements of 16CFR Part 1632 (federal flammability (open flame) standard for mattresses and mattress padsThis mattress meets the requirements of 16CFR Part 1633 (federal flammability (open flame) standard for mattress sets) when used with foundation Stearns and Foster® Rockwell Luxury Ultra Firm Tight Top – Mattress Only