This deluxe mattress pad is packed with extras. It offers over twice the fill of a normal mattress pad. Our patented Converta-Fit™ wrap skirt with spandex ends provides extra side protection along with a snug, guaranteed fit. The luxurious 200 thread count, 100% cotton fabric provides a finishing touch. U.S. Patent No. 5,287,574  It has a 5 year limited warranty.