If you are visually impaired please call us to get assistance by calling this Toll-Free number 1 800 218 35 78.

Your Cart

Your Cart is Empty

StableSupport Posturepedic High Profile 9" Box Spring Flat Foundation by Sealy

Sale Price

Choose Size  


After you complete your purchase you will be contacted to schedule your desired date of delivery.

Why You Will Love It!

  • Master the art and science of a great night’s sleep with help from the StableSupport™ Sealy Masterbrand twin foundation. Offering more support and comfort than a traditional box spring, this 9-inch high-profile foundation helps gently cradle your body and absorb motion transfer while preventing mattress sagging for a superior sleep experience, night after night. Rest assured, the foundation’s 9-inch high-profile design nicely accommodates a bed skirt or ruffle.
    Size Availability
      • Twin: 74" x 38" x 9"
      • Twin: Long 80" x 38" x 9"
      • Full: 74" x 53" x 9"
      • Queen: 80" x 60" x 9"
      • Split Queen: 80" x 30" x 9" (each piece/2-piece foundation)
      • King: 80" x 38" x 9" (each piece/2-piece foundation)
      • Split King: 80" x 38" x 9" (each piece/2-piece foundation)
      • CA King: 84" x 36" x 9" (each piece/2-piece foundation)
      • Split CA King: 84" x 36" x 9" (each piece/2-piece foundation)

      *Dimensions of each individual foundation may vary.

      Return Policy 
      This product cannot be returned and the 120-Night Trial does not apply.
      Shipping Details

      Free White Glove Delivery service in Los Angeles Counties usually next day.

      Convenient indoor White Glove Delivery of your online or in-store purchase which means that your merchandise will be carefully brought into your home, unpacked and set-up. All packaging debris will be removed and discarded on your behalf. Someone must be home to accept delivery. Additional services and/or arrangements are subject to added fees.


      All the foams in this mattress have environmental certifications that ensure they are safe and non-toxic. Our polyurethane foams (memory foam, transition foam, and poly support foam) are CertiPUR certified.

      CertiPUR-US® approved foams are made without ozone depleters, PBDE flame retardants, mercury, lead and other heavy metals, formaldehyde, phthalates regulated by the Consumer Product Safety Commission. They are Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million).

      Warranty 10-year limited warranty. Read More