Our starling soft pillowtop is an upgraded part of our Posturepedic spring collection. This mattress features the trusted motion-reducing encased coils and targeted memory foam support along with the Duraflex coil edge which increases durability, while moisture protect helps to keep you cool, and surface-guard technology keeps the mattress protected. Mattress Top Type: Pillow Top Mattress Type: Innerspring Included: 1 Mattress(es), 1 Box Spring(s) Features: Cooling, Cushioning Layer, Non-Toxic, Foam Layer, Cooling Layer, Antimicrobial Additional Information: Suitable for Adjustable Bed Frames Coil Count: 601 Coils Manufacturer Warranty: 10 Year Limited Bed Size: Twin Maximum Weight Limit: 500 Lbs Base Material: 100% Polyurethane Comfort Type: Plush Mattress + Box Spring Measurements: 24 Height/Inches Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1632 Compliant, Certipur-Us Certified, Cpsc - 16 Cfr 1633 Compliant 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 1-800-442-7902 Don’t forget to print off your delivery checklist to avoid any delays or issues when delivering your item. Set includes mattress plus box spring/foundation. King and Cal. King mattress sets feature 2-piece side-by-side foundations for easier navigation in tight spaces.