Beautyrest Bedding Recharge Firm Full Size Mattress Set 12 Inch Bed Mattress set: 20.5 inches high x 53 inches wide x 74.5 inches long Mattress: 11.5 inches high x 53 inches wide x 74.5 inches long Foundation: 9 inches high x 53 inches wide x 74.5 inches long Support: Pocketed Coils adjust independently to the weight and contour of your body for back support and motion separation Size: Full