Beautyrest Black seamlessly integrates luxury and technology for an indulgent sleep experience. Innovative coil structure, intricately engineered cooling technologies, and the latest in pressure relieving memory foams make this line the ultimate choice in luxury bedding.Benefits:World's Premier Support System. Tripled.T3 Pocketed Coil Technology: Found only in Beautyrest Black, our triple strand coil provides the best support and durability.Feel Cooler, Sleep BetterBlackICE 4.0 Technology: Our most advanced cooling technology maintains temperature in 4 ways so you sleep cooler and more soundly.Our Luxury Pressure Relief, Your Best RestTechnoluxe Memory Foams: More, higher quality, memory foams than any of our other mattresses - reduces pressure points in hips and shoulders.Don't forget to check your delivery type and print off your Delivery Checklist & Delivery Guide Beautyrest Black Features:Mattress Top Type: Tight TopMattress Type: InnerspringIncluded: 1 Mattress(es)Features: Wrapped Coils, Temperature RegulatingCoil Count: 523 CoilsManufacturer Warranty: 10 Year LimitedBed Size: Twin XlMeasurements: 79.5 Length/Inches, 14 Depth/Inches, 38 Width/InchesBase Material: 100% PolyesterComfort Type: PlushCare: Spot CleanCertifications And Listings: Cpsc - 16 Cfr 1632 CompliantCountry of Origin: Made in US