Made from Space Memory Foam, this pillow adapts to body temperature and pressure changes, perfectly molding to your lower back for enhanced pressure relief and a healthy spine. Ergonomic Design Featuring a unique 3D design with a curved support shape, it conforms to your body's natural curve, offering multi-point support. Say goodbye to pain and stiffness, and enjoy complete lumbar relaxation. Skin-Friendly Fabric The outer layer is made from high-density fibers that absorb moisture and provide a cooling effect. Soft and comfortable, it helps reduce skin irritation while keeping the skin dry and breathable, even with extended use. Scientific Design for Precise Support The scientifically divided design strengthens lumbar support, stretching the spine while lying on your back and providing effective side support for improved sleep quality. Complete Tailbone Care The enveloping design provides full lumbar support, ensuring a better sleep experience for everyone—whether pregnant women, office workers, or the elderly. Specifications: Color: Gray Pillow Core Material: Synthetic Fiber Pillow Core Height: 5.1-10cm Pillow Shape: Bonbon Weight: 0.55kg Dimensions: 60x27 or 18x8 or 5 cm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.