The Extra Thick Sofa Back Cushion Wedge Pillow delivers targeted back and lumbar support with a large, supportive wedge design. It is filled with polyester and covered in breathable soft fabric for comfort in living rooms or bedrooms. This back cushion complements many decors while providing lasting support. comfort and support: thick polyester fill and breathable fabric provide strong back and lumbar support for long periods of use. The large backrest wedge helps maintain proper alignment and reduces upper body pressure. Practical design and versatility: a decorative yet functional pillow for the bed, couch, or floor. The wedge shape and generous size make it a reliable companion for lounges and overnight stays alike. Convenient side pocket: built in pouch provides quick access to essentials such as a phone, glasses, or remote control, keeping your hands during relaxation. Clear, durable attributes: material is polyester filler with a soft, breathable fabric cover. This cushion is designed for daily use in living rooms and bedrooms and coordinates with a wide range of decor styles. Use scenarios: Reading in bed or on the couch: the wedge provides stable back and lumbar support, enabling comfortable, extended reading sessions. Watching TV or relaxing: the large backrest promotes a relaxed posture during screen time. Floor lounging or casual seating: place it on the floor or alongside furniture to create a plush, supportive backrest during informal lounging. Size and compatibility notes: described as a large backrest pillow, suitable for most sofas, beds, and lounge setups. Designed to blend with various interior styles while delivering reliable comfort and support.