The High Profile 9-inch Sealy Foundation base helps extend durability of your mattress Ensures the most productive feel out of your Sealy mattress in order that you get a super night sleep each and every night The stable foundation is built with beams and supports to create a base that prevents your mattress from sagging Foundation helps absorb your weight and motion so you’ll sleep uninterrupted Foundation only; Mattress not included Beef up your mattress with the Sealy High Profile Foundation. The 9-Inch High Profile Foundation is covered with a soft fabric. Designed with exceptional engineering, the Sealy High Profile Foundation creates a durable base for the mattress, in coordinating fabric. It is important to to Beef up your mattress and our foundation will prevent bowing or sagging of the mattress. Every other benefit to our foundation is it’s going to maximize the comfort and durability of the mattress, leaving you with your mattress for longer. The Full measures 75″ L x 54″ W x 9″ H.