High Quality 312 Bonnell Coil Provides Resilient Support Base * 2 Oz Densified Polyester Fiber Topper Adds Firmness And Support * Heavy-duty Resinated Pad With A Specialized Mesh Woven Back Keeps Mattress Durable * Breathable With Two Screened Brass Vents At The Head Of Mattress To Keep Patient Cool And Expel Stale Odors * Dimensions: 80 X 36 X 6 * Weight Capacity: 300 Lbs * Five-year Warranty On Spring * One-year Warranty On Manufacturer Cover *