WOWMAX PP-Cotton Bolster Upholstered Headboard Filled Triangular Reading Pillow Wedge Positioning Support Reading Backrest Cushion for Sofa Bed Day Bed with Removable and Washable Cover. The pillows can be used on couch bed, day bed, and chaise lounge, especially for the bed without headboard, Can relieving the stress When your reading; Perfect curve: Can Be Used on Your Waist, the perfect fit the waist, effective to release of lumbar pressure; The high-quality material pillow is stuffed with high-density polyurethane filler, providing excellent back neck support while reading; The Pillows with buttons design, make the pillows look more full, three-dimensional stronger; The pillow is suitable for different places: couch bed, day bed, and chaise lounge, especially for the bed without headboard; The Pillow with different sizes, fit the beds in Twin, full, queen and king sizes, and also can be used on RV, Trailer, bunk bed or as bumper pillow; Buttons designed, When doing the cleaning, only wash the cover which is detachable.