Craving a firm and supportive mattress? This lucid dream collection 10-inch firm mattress offers the perfect balance of support and comfort. Ideal for side or back sleepers, a firm bed helps align the spine so you wake up refreshed and ache-free  Mattress Top Type: Tight Top Mattress Type: Gel Memory Foam Included: 100 Mattress(es) Features: Cooling, Cooling Layer, Foam Layer, Temperature Regulating Additional Information: Suitable for Adjustable Bed Frames Manufacturer Warranty: 10 Year Bed Size: Twin Measurements: 10 Height/Inches, 74 Length/Inches, 37.5 Width/Inches Maximum Weight Limit: 650 Lbs Base Material: 100% Polyurethane Comfort Type: Firm Care: Spot Clean Certifications And Listings: Certipur-Us Certified Mattress Height: 10" Country of Origin: Imported 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. Mattress arrives compressed in a box and then regains its size and shape after opening.