Business version car side pillow 1. The neck pillow can be adjusted back and forth; 2. The side plates on both sides can be rotated 180 degrees up, down, left and right, facing upwards for adults, and downwards for children’s neck protection; 3. The side panels on both sides can be adjusted to the right position according to the size of the person's head. 4. The rear fixed seat is equipped with two grooved nails, which can hang small items/garbage bags, etc. 5. Behind the fixed seat is equipped with a detachable long and short retractable mobile phone holder for the rear seat to entertain and learn. (Warm reminder: Please choose the version without mobile phone holder for the last seat); 6. Protect the cervical spine when driving and sleep and relieve fatigue, 7. It is recommended to use the co-driver and the back seat. 8. The distance between the dual-insertion rods of the car headrest is 7-16CM, and the car seat with the rod height> 5CM can be installed