Comfort Plus describes this excellent head support product. Whether used as a stand alone head support or as part of a larger system, the Comfort Plus provides multiple options for switch sites, lateral facial devices, attachment hardware and more... And of course it is Stealth Quality through and through! Durable Pad constructed of layered foam on a coated metal shell and covered with a soft, durable stretch material Cover is removable and washable All materials meet Cal.117 flammability standards Shown with optional TWB480 link hardware