materials and care Back support pillow filled with density pearl cotton filler to provide stable, supportive backing. Pillowcase made from Korean velvet for a soft and comfortable feel. Detachable and washable cover for easy maintenance. Scratchresistant and resilient construction with no odor or pollution. Ergonomic triangle design Triangular shape supports the back, neck, and shoulders. Fourpoint support follows the curve of the body to help maintain correct posture. Helps alleviate back pain for sedentary use. Suitable for all kinds of sedentary activities; ideal for relaxing in bed or reading. Alternative as a headboard Wedgeshaped backrest when compressed immediately rebounds to its full state and remains full. No deformation over time; keeps its shape for reliable support. Can be used as a headboard or backrest in bedside areas, sofas, bay windows, tatami rooms, children's playrooms, offices, and other places to lean on. Decor and gift idea The fabric provides a strong visual effect that complements various interior styles. A thoughtful gift for college students, family, and friends. Also suitable as a bumper pillow for children, a bunk bed back rest, or a headboard for RVs and trailers. Use scenarios At a desk or on a sofa for lumbar, back, and neck support during work or study. In bed or while reading and watching TV for comfortable, unsupported posture. Portable headboard option for bedside setups, living rooms, bay windows, bunk beds, RVs, and travel environments.