What this cushion does for you Provides firm, ergonomic support for your back and legs to improve sitting posture and reduce back pain during long periods of sitting. Serves as a large, comfortable rest surface — wide enough for two people — that turns a bed or sofa into a supportive backrest for reading, watching TV, or working. Key features and benefits Durable, breathable polyester cover: a tightly woven fabric that resists wear while allowing airflow for cooler comfort. Extra filling for reliable support: maintains shape under weight, offering consistent comfort whether you lean, recline, or sit upright. Practical side pocket: keeps remotes, phones, and small essentials within easy reach. Removable invisible zipper cover: makes spot cleaning and full washing simple and discreet for lowmaintenance care. Multifunction design: use as a wedge backrest, leg support, reading cushion, bed backrest, wallmounted backrest cushion, or a large bench/sofa cushion. Why customers choose this cushion Solves common comfort problems: supports correct spinal alignment to ease pressure on the lower back and shoulders when sitting in bed or on a sofa. Saves space and adds versatility: replaces multiple smaller pillows with one large, supportive cushion that adapts to different furniture and uses. Built for everyday living: robust material and a concealed zipper ensure the cushion stays useful and attractive over time. Typical use scenarios Reading or working in bed: prop the cushion against the headboard for upright support while you read, use a laptop, or study. Shared TV time: wide enough for two people to sit comfortably on a bed or large sofa while watching movies. Living room or entry bench: use as a firm backrest on a sofa or as a supportive cushion on a bench for added comfort and posture support. Practical notes Material: polyester cover; breathable and durable. Maintenance: remove the cover via the invisible zipper for washing or spot cleaning as needed. Compatibility: designed to function as a large cushion for beds, sofas, armchairs, benches, and wallmounted backrest setups. This wedge cushion combines durable materials, substantial filling, and practical design features so you get consistent support and easy upkeep in a single, versatile product.