Premium Steel Mattress Foundation, QUEEN Heavy-duty steel foundation is a frame and box spring in one; ideal for memory foam mattresses. Complete mattress support system that replaces your existing frame and foundation, easy setup, no tools needed. Raises bed 14" off ground, has quilted fabric cover, tested to hold up to 1200 lbs. Dimensions: 79"L x 59"W x 14"H 100% steel construction. Boxspring sold separately