This is a brand new, unopened item. Retail price: 3890 yen [Improved Design Version] Added up/down adjustment & 360° rotation function to the side wings. The 4-stage adjustable car headrest allows you to select the optimal angle for any posture. In addition to the 360° movable arm, the head pad can rotate 360° and slide up and down 5cm. Furthermore, the side neck pillow can be freely adjusted in width from 17 to 25cm, allowing for a total of 4 fine adjustments. Depending on the user's height and seat position, it can be adjusted to the optimal position where the neck and head naturally fit. While firmly supporting the cervical spine, it maintains an ideal napping posture. Children and families can maintain a good sleeping posture in the car, eliminating the worry of hitting their heads on the car door windows. The use of low-resilience urethane material supports the head and neck from both sides, a safety design that reduces the impact of shaking and collisions in the car, and high-density memory foam provides ultimate comfort. It is soft and slowly sinks, making it less tiring even after long hours of use, and can be used immediately after opening because it uses odorless materials. Designed for use by children and adults. The head pillow that supports the head and neck can be adjusted in height to suit the user's height. It supports a wide range of ages, from growing children to adults. When not in use, the headrest can be raised to save space. It gently supports the head and cervical spine, preventing the neck from suddenly tilting or the head from falling sideways and hitting the door. It alleviates discomfort and fatigue during naps and also reduces neck and shoulder stiffness. It also protects the head and cervical spine, maintaining a comfortable posture during travel. Especially when used in conjunction with a child seat, it provides a more comfortable journey! Easy installation without tools, with a convenient multi-functional hook! Anyone can install it immediately. It comes with a foldable hook that can be used to hang bags, etc., and can be stored compactly when not in use. It can also be used as a stand for smartphones and tablets, making your break time in the car even more comfortable. The hook has a load capacity of approximately 5kg. Compatible with most car seats with metal headrest poles and an inner width between 7cm and 18cm. It can be used in a wide range of car models, from compact cars to family cars. With adjustable arms and a height-adjustable neck pad, you can easily install it while making the most of the space in your car!