Enjoy a more restful sleep with this 11.5" hybrid innerspring mattress. Feel the support and responsiveness of a true pocketed coil hybrid mattress which contours to your body for a comforting feel. High density, quality foam provides the firmness you'll fall in love with. Our foam provides restorative support for your lower back. Plus, this mattress arrives in a box for quick and easy setup. Simply bring it to your room, remove the plastic wrap, and unroll.  Mattress Top Type: Tight Top Mattress Type: Mattress In A Box, Hybrid Included: 1 Mattress(es) Features: Cushioning Layer, Stain Resistant, Mattress In A Box, Adjustable Base Compatible Additional Information: Eliminates Motion Transfer, Conforms To Body, Suitable for Adjustable Bed Frames, Relieves Pressure Points Coil Count: 512 Coils Manufacturer Warranty: 10 Year Bed Size: Twin Measurements: 39 Width/Inches, 75 Length/Inches, 11.5 Height/Inches Maximum Weight Limit: 600 Lbs Base Material: 100% Polyurethane Comfort Type: Plush Care: Spot Clean Certifications And Listings: Certipur-Us Certified Mattress Height: 11.5" 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 1-800-442-7902 Don’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.  Mattress arrives compressed in a box and then regains its size and shape after opening.