W. Va. Code § 16-6-15
Every hotel shall provide each bed, bunk, cot, or other sleeping place for the use of guests with pillow slips and under and top sheets, the under sheet to be of sufficient size to completely cover the mattress and springs, and the top sheet to be of like width and at least ninety-nine inches long and not to be less than ninety inches in length after having been laundered. Such sheets and pillow slips shall be made of white cotton or linen, and all such sheets and pillow slips, after being used by one guest, shall be washed and ironed before being used by another guest, a clean set being furnished each succeeding guest. All bedding, including mattresses, quilts, blankets, pillows, and all carpets and floor covering used in any hotel in this state, shall be thoroughly aired, disinfected and kept clean.
W. Va. Code § 16-6-15