Sleep Innovations 3-Inch Dual Layer Custom Wave and SureTemp Mattress Topper.   10-year limited warranty.  Made in the USA. King Luxurious 3-inch dual-layer topper forms to body curves for pressure point relief and improved circulation Exclusive 2-layer design features a 2-inch Custom wave comfort layer and a 1-inch bottom layer of SureTemp Memory Foam Removable, machine-washable 100-percent cotton fitted cover holds topper securely in place on mattress After unpacking, allow up to 72 hours for topper to fully expand Includes 10-year limited manufactures warranty