The Simmons® Deep Sleep™ Collection brings you seriously satisfying sleep at prices that won't break the bank. With a traditional quilted top panel, our innerspring models feature first-rate foams to meet your comfort needs, a base layer for sink-free support, and individually wrapped coils that help you sleep undisturbed; you can trust these Simmons mattresses will lull you into a deep, comfy sleep. Premium gel memory foam that contours to your body—because you deserve the ultimate pressure relief. Soft gel foam helps you sleep cool and supported, so you're cradled throughout the night. Our Energy Foam provides steady support and a layer of motion separation 800 individually wrapped firm coils help you sleep cool and comfortable, plus control motion between two sleepers. Reading, scrolling, or snoozing, our supportive foam base layer provides lasting support for your back while relieving stress.  Mattress Top Type: Tight Top Mattress Type: Hybrid Included: 1 Mattress(es) Features: Cushioning Layer, Foam Layer, Antimicrobial Additional Information: Relieves Pressure Points, Eliminates Motion Transfer, Suitable for Adjustable Bed Frames, Conforms To Body Coil Count: 473 Coils Manufacturer Warranty: 10 Year Bed Size: Twin Measurements: 11.5 Height/Inches, 38 Width/Inches, 74.5 Length/Inches Maximum Weight Limit: 1000 Lbs Base Material: 75% Metal, 25% Polyurethane Comfort Type: Medium 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.