Abstract: A cover for a treatment table includes a top sheet, and a skirt extending from the plane of the top sheet such that the cover defines an opening for accommodating a cantilevered protrusion projecting from the treatment table. The protrusion may be a head support projecting from the treatment table. The cover may include an access flap which is permanently attached to the skirt along an attached edge and removably attachable to the skirt along free ends of the skirt and access flap, the cover hiding the underneath of the treatment table around its entire perimeter when the access flap is attached. The cover may include access means for accessing under the cover and height-adjustment means for adjusting the height of the skirt. The cover may be made from one or more elastic materials.