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. Our cushy AirCool™ foam enables airflow through your mattress to keep things chill while you sleep Relax and unwind on comfort foam that meets your desired level of plushness, so you sleep deeply all night long 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: Pillow Top Mattress Type: Innerspring Included: 1 Mattress(es), 1 Box Spring(s) Features: Foam Layer, Antimicrobial, Cushioning Layer Additional Information: Conforms To Body, Eliminates Motion Transfer, Relieves Pressure Points Coil Count: 473 Coils Manufacturer Warranty: 10 Year Bed Size: Twin Maximum Weight Limit: 1000 Lbs Base Material: 75% Metal, 25% Polyurethane Comfort Type: Medium Care: Spot Clean Certifications And Listings: Certipur-Us Certified 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.