Triangular Back Support Pillow Key benefits Provides consistent lumbar and back support to reduce slouching and discomfort while sitting or reclining. Multifunction design replaces several cushions: use as a headboard pillow, sofa backrest, leg elevation cushion or knee pillow to simplify your comfort setup. Removable, washable cover makes upkeep quick and hygienic for home, office, or travel use. Features Removable and washable cover: unzip and unbutton the cover for easy cleaning and a fresh, sanitary surface. Ergonomic shape: the triangular design conforms to the natural curve of your back and supports upright posture when reading or using devices. Adjustable lumbar position: set the cushion at different angles to support whether you are sitting up in bed or propped on a sofa. Convenient pocket: builtin pocket stores small items such as a smartphone or remote control so essentials stay within reach. Decorative finish: tufted buttons, layered stitching, and folded edges add visual interest and suit a range of decor styles. Color options: available in multiple colors to coordinate with sofas, daybeds, and bedrooms. Functions and compatibility Serves as a headboard pillow, sofa pillow, back support cushion, leg elevation cushion, and knee pillow. Ideal for laptop use, watching TV, reading, or sitting up in bed. Designed for use at home, in the office, and during travel. Use scenarios Evening TV and tablet use: position the pillow behind your lower back for sustained support while watching shows or browsing. Working from a couch or bed: place the pillow as a backrest to maintain posture during laptop work and keep your phone in the side pocket. Recovery or rest: use as a leg elevation or knee pillow to reduce pressure and improve comfort while resting or recovering. Care and maintenance To clean, unzip and unbutton the cover, remove it, and machine wash or hand wash according to fabric care recommendations. Regular washing keeps the pillow hygienic and extends its useful life. Why choose this pillow Combines ergonomic support, practical storage, and easy maintenance in one versatile cushion. Decorative details and multiple color choices make it both functional and visually compatible with a variety of interiors.