ABOUT THE COLLECTION: The Sealy Posturepedic® Plus Level offers additional technology for superior support that's built to last. The advanced Posturepedic® Plus Support System features exclusive PrecisionFit™ Coils, arranged right where you need them to help maintain natural body alignment and reduce nagging Bed Aches™. DuraFlex™ Coil Edge surrounds the mattress to provide great support all the way to the edge of the mattress. "View all mattresses in the Posturepedic collection." QUILTING LAYER: The MoistureProtect™ Cover helps wick moisture away from your body to keep you cool and comfortable while you sleep and protects your mattress from developing unpleasant smells or mildew. Surface-Guard Technology™ is an added antimicrobial treatment that protects against common allergens, such as dust mite dander and mold, helping the cover stay fresh so you can rest easy. Materials: 2" x 0.5" SealyComfort™ Foam COMFORT LAYER: SealyComfort™ Foam provides added cushioning to enhance overall comfort. Materials: 1.5" SealyComfort™ Gel Foam, 1" SealySupport™ Gel Foam Medium SUPPORT DETAILS: The advanced Posturepedic® Plus Support System features exclusive PrecisionFit™ Coils, arranged right where you need them to help maintain natural body alignment and reduce nagging Bed Aches™. This support system is surrounded by a DuraFlex™ Coil Edge to provide a solid seating surface that's more durable and flexible when paired with an adjustable base. Each of the 966 coils in the Posturepedic® Plus Support System (for a Queen-size mattress) is individually encased to reduce motion transfer, helping you feel less movement from your partner throughout the night. Materials: 0.5" SealyComfort™ Gel Memory Foam, 966* PrecisionFit™ Coils BOX SPRING: Create a durable base for your mattress with the StableSupport™ construction of this Posturepedic Flat Foundation from Sealy. Materials: Wood, Wire Grid, 100% Polyester Cover, 100% Polypropylene Dust Cover, 100% Polyester Resilium Pad, Plastic Corner Guards