Bone Arc Design: Fully fills gaps, closely conforms to the neck curve; Premium Material: Made with high-quality memory foam pillow core, effectively relieves pressure and supports the head and neck; Elastic Strap: Freely adjustable height, easily secures the pillow; Removable Cover: Velvet cover with hidden zipper design, convenient for removal and cleaning; Ideal for long drives, promotes head and neck blood circulation, alleviates neck and shoulder pain.