15 year warranty   King size 72x84 With "Contour Lumbar Support".Super comfortable 25 Mil Vinyl with Extra Wide Corners.It has about 5-7 seconds of movement due to its Two Layers of 2 oz. Resin Bonded Fiber. Specially engineered for comfort and contouring affect from head to foot. One 2 Oz. Layer of Extra Lumbar contouring Support Aides in lower back support lets your body sink into the mattress and be more level. This feature makes this mattress very comfortable. One layer of Head to Foot Closed Cell Buoyancy Layer which allows for consistent fiber flotation. Sturdy " L-Seam" Corner Construction with "Linen Lock" Reinforced Corners which are very durable and helps keep the sheets stationary. All the fiber is connected together and to the outer shell to help prevent the fiber from shifting when draining and moving.