Looking for a comfortable foundation for your modern twin XL bed? You’ve found it with the Stearns & Foster® Twin XL High Profile Flat Foundation. What could be better than the serious support provide by this foundation? How about a 10-year warranty? That’s what you’ll get with this Stearns and Foster foundation. Product Details: • High profile design adds height to your bed • Made from steel and wood to support your bed’s modern slat system • Not designed for use with an adjustable foundation Dimensions: • 38”W x 79”D x 9”H