WOWMAX Filled Triangular Wedge Pillow Positioning Support Reading Backrest Cushion Upholstered Headboard for Bed Daybed with Removable and Washable Cover King Velveteen Light Gray Size: King (76 Inches) The super soft Velveteen material pillow is stuffed with high-density polyurethane filler, providing excellent back & neck support while reading. The pillow is suitable for different places: couch bed, day bed, and chaise lounge, especially for the bed without headboard. Four different sizes match beds in twin, full, queen and king sizes, and also can be used on RV, Trailer, bunk bed or as bumper pillow.. When doing the cleaning, only wash the cover which is detachable.