Raise your bed up to your level with the Sealy Stablesupport Flat Foundation, Full, High Profile under your mattress. A firm flat foundation is a key part of your bed. This supportive foundation is sized to fit into a full size bed frame and support a full size mattress from corner to corner. A flat and supportive foundation starts you on the road to better sleep, so go on and get cozy with your own mattress on a flat foundation. Product Details: • High profile foundation raises mattress up to 9” over frame • Suitable for all types of mattress including foam or innerspring • Fits full size bed frames Dimensions: • 54”W x 75”D x 9”H