Product overview A large triangular wedge bolster and curved backrest designed to support comfortable sitting and reclining on sofas, beds, and chairs. Made with a flax fabric exterior and a soft but supportive interior, this detachable backrest pillow helps reduce pressure on the lower back while providing a stable surface for reading, working, or relaxing. Key benefits Ergonomic support: Triangular wedge shape and simple curved headboard design create steady back and lumbar support for upright sitting or semireclined rest. Versatile use: Functions as a full backrest, lumbar pad, or headboard cushion so it adapts to sofas, beds, and office chairs. Comfortable material: Flax fabric cover provides a soft, breathable surface for extended use. Detachable design: Separate bolster and backrest sections allow flexible arrangement for different seating positions and easier storage. Large size: Generous dimensions provide wide coverage for both back and waist support on most sofas and beds. What makes it stand out Shape and form: The wedge profile combined with a curved gives firm, even support across the lower and mid back without bulky frames or straps. Multifunction construction: Use the pillow as a reading backrest, a lumbar pad for desk chairs, or as an additional headboard cushion for extra comfort. Simple, practical design: Neutral appearance and uncomplicated form fit a variety of room styles while providing targeted support where it is needed most. Materials and performance Exterior: Flax fabric for a natural feel and breathability. Interior: Soft, supportive fill shaped to maintain the wedge and curve while allowing comfortable pressure relief. Performance: Maintains shape during ordinary daily use and offers consistent support for sitting, lounging, and leaning. Compatibility and placement Designed for sofas, sofa beds, beds with headboards, and office chairs. Suitable for single and shared seating areas due to its large coverage and detachable parts. Suggested use scenarios 1. Bed reading: Place the wedge backrest against the headboard, position the curved to support the upper back, and use the detachable bolster for additional lumbar support while reading or working on a laptop. 2. Sofa lounging: Use the pillow as a full backrest on a sofa or sofa bed to create a comfortable upright seat for watching TV or visiting with guests. 3. Office support: Position the pillow behind the lower back on a desk chair as a lumbar pad to reduce strain from prolonged sitting. What you can expect A practical, large backrest solution that combines a triangular wedge shape and a simple curved with a flax fabric exterior and a soft supportive interior. The detachable design increases flexibility for different seating arrangements while helping to protect the waist and provide steady back support.