Premium Hotel & Resort Mattress Protector - Sobeldry Mattress Pad that is Both Quiet & Waterproof - King Sized Mattress Protector Pad Utterly quiet and featuring a waterproof polyurethane barrier Premium quilting enhances comfort with an additional layer Guaranteed to fit mattresses of up to 17" Hypo-Allergenic and Machine Washable (tumble dry low) Trusted by Luxury Hotels around the world.