Dual Concave Arc Design cradles your legs in a double-curve structure, providing superior support and minimizing pressure on the sciatic nerve. Ideal for those experiencing discomfort from sciatica or similar conditions, ensuring optimal distribution of body weight. Highly Resilient Memory Foam adapts seamlessly to your body shape, distributing weight evenly for enhanced comfort. Maintains proper spinal alignment, preventing discomfort during extended periods of sitting, making it perfect for office workers or drivers. This innovative cushion is designed to enhance your sitting experience by providing exceptional support and comfort. The dual concave arc design cradles your legs, alleviating pressure on the sciatic nerve, while the premium memory foam conforms to your body shape. Ideal for long hours of sitting, it promotes proper posture and reduces discomfort, making it a must-have for anyone seeking relief from back pain or discomfort. Color: As Shown Material: Polyester Package Contents: 1x sleeping pillow Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.