Continental Sleep, 9-inch Gentle firm Tight top Innerspring Mattress And 8-inch Box Spring/Foundation Set, Elegant Collection, Twin Size ULTIMATE BACK SUPPORT Our orthopedic tight top mattress provides firm back support to help you wake up without stiffness and pain NO PRESSURE POINTS With its 357 verticoil innerspring unit, this mattress flexes to conform to your body's contours to ensure absolute comfort LOW PROFILE BOX A 5-inch box spring reduces the height of the set without compromising strength and support CONVENIENCE ASSURED This mattress set comes fully assembled and is delivered right to your door ready to use AMERICAN CRAFTSMANSHIP By manufacturing our mattresses and box springs in the USA, we're able to guarantee the absolute best quality Standard Twin Size Mattress and Box-Spring