Royal-Cloud Luxury Mattress Topper – 4″ Thick Top of the line luxury from Royal-Pedic of Beverly Hills, the company that has been making mattresses for royalty, two U.S. presidents and Hollywood actors since 1946. The Royal-Pedic Luxury Mattress Topper provides extra cushioning, luxurious comfort, and additional pressure point relief to hips and shoulders for the ultimate in rest and relaxation. The topper lays right on top of your mattress and then the mattress pad and fitted sheet go over both the topper and the mattress itself, holding the pad in place. Add a soft plush feeling while maintaining mattress firmness. A great choice for those who want maximum support combined with luxurious comfort. The 4″ Royal-Pedic Topper features boxed edge construction. The chemical-free French wool batting is dust mite resistant and wicks away moisture. The wool batting is wrapped in 100% long-staple cotton.