The mattress of your dreams is here! Slumber Oasis provides 8.5" of cooling, supportive pressure-relief. With breathable cool twist gel foam that conforms to your body, and cushioning Serta pillow soft foam, you will be left wondering why you didn’t choose this mattress sooner. Mattress Top Type: Euro Top Mattress Type: Innerspring Included: 1 Mattress(es) Features: Breathable, Cooling, Cushioning Layer, Cooling Layer, Adjustable Base Compatible Additional Information: Relieves Pressure Points, Conforms To Body, Suitable for Adjustable Bed Frames Coil Count: 231 Coils Manufacturer Warranty: 10 Year Bed Size: Twin Measurements: 8 Height/Inches, 38 Width/Inches, 74.5 Length/Inches Base Material: 100% Wood Comfort Type: Plush Care: Spot Clean Certifications And Listings: Certipur-Us Certified, Cpsc - 16 Cfr 1632 Compliant Mattress Height: 8" 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.  This mattress meets the requirements of 16CFR Part 1632 (federal flammability (open flame) standard for mattresses and mattress pads