Mattress layers include: 0.5 inch fiber padding, 2.5 inches Pressure Relieving Comfort Foam 14 inch high steel folding bed frame Only the Highest Quality Foam – Foam is CertiPUR-US Certified for durability, performance, and content Open dimensions are 31 inches x 75 inches x 17 inches. Weight limit- 250 pounds Folds in half for ease of movement and storage. Its 4-inch foam mattress will give your guests an unexpectedly comfortable nights sleep away from home