Headboard backrest cushion — triangular large reading pillow with wedge design that supports your back and neck while you read, lounge, or relax. Key benefits Comfort and support: Provides stable back and neck support for extended reading, lounging, or reclining in bed to reduce strain and improve comfort. Lumbar relief and posture: The wedge shape offers targeted lumbar support to help alleviate lower back discomfort and encourage a more upright, supported posture. Practical storage: Builtin spacious side pocket keeps your remote, phone, or other small items within easy reach so you don't have to get up. Features Triangular/wedge design: Large, angled backrest delivers reliable support and holds position against a headboard or flat surface. Versatile placement: Designed for use on beds, bay windows, mats, and sofas — adapts to multiple rooms and seating areas. Easy access pocket: Side pocket provides convenient, reachable storage for everyday essentials. Use scenarios Reading or working in bed: Sit upright with supported lumbar and neck alignment while reading, using a tablet, or typing on a laptop. Watching TV on the sofa: Place the pillow behind your back on the couch for comfortable, sustained support and keep the remote in the side pocket. Relaxing by a bay window or on a floor mat: Use the large triangular pillow as a lounge backrest for morning coffee, meditation, or casual conversations. Why customers choose this cushion Delivers focused support where you need it most: back, lower back, and neck. Fits multiple seating arrangements and room types for everyday use. Keeps essentials at hand with a practical side pocket, reducing interruptions to your relaxation or work. Suitable for anyone seeking improved back support and a more comfortable seated position while reading, lounging, or watching TV.