The Sealy StableSupport King Foundation provides a solid, durable base for your mattress to ensure optimal comfort and extend mattress longevity. This 9-inch high profile foundation creates a sturdy flat surface that coordinates with Sealy mattress aesthetics. The king size foundation is conveniently split into two even pieces for easier handling and maneuverability through doorways and stairways, with each piece measuring 38 inches wide by 79 inches long by 9 inches high.

Engineered with long-lasting materials and solid hardwood construction, this foundation delivers superior support for all mattress types including foam and innerspring. The durable design fits most standard bed frames and helps preserve the feel and performance of your mattress over time. Designed and assembled in the USA, this foundation is backed by a limited 10-year vendor warranty for quality assurance.