General Features: This mattress from Simmons Beautyrest offers wonderful support and supreme comfort. * Firmness: Luxury Firm Pillow Top * Quilting: FR fiber, 5/8” PurFoam™ Plush, 1” convoluted foam * Construction: 800 Density Beautyrest Pocketed Coil provides motion separation, conforming comfort and support. Coil gauge: 14 3/4 ga. * Edge support: Total Surround BeautyEdge with Quantum Lock adds foam rail integrity and sleeping comfort right to the edge. * Coil support: 1/2" Energy Foam™ adds greater stability. * 5 slatTriton foundation-increases foundation strength and durability. * No flip design. **dimensions**: 60 x 80 x 12.5H; Foundation/Box Spring 9 in.