1. Support sliding adjustment width, adjustable head width distance: 140-280mm 2. Slow rebound foam memory foam to reduce the pressure generated by shaking during driving 3. U-shaped ergonomic design, fits the face, round design, protects the cervical spine of the head 4. When not in use, it can be disassembled or rotated back to the backrest to save space in the car 5. Fasten with one buckle, safe and firm 6. It can be adjusted freely according to different models, and the movable distance of the hole position is 70-160mm 7. Material: ABS+memory foam+carbon fiber leather
