Features: Fit for Most Car Seat: This car seat headrest pillow fits for cars with a pole and the pole distance must between 2.5-7.0 inches. It provides comfortable neck head support for passengers when they fall asleep in a car. Adjustable Design: The rotated pillow can be adjusted according to different heights and various postures of the passenger. Lift the headrest pillow up to save space when not in use. PVC Material: Crafted from soft foam pad and durable PVC leather, its safe, eco-friendly and comfortable. Headrest pillows on both sides protects your head from banging on the car door window. Soft foam helps for relaxing muscles and prevent neck fatigue. Easy to Install: The U shape headrest pillow does not need any tools. You can do it with 3 steps: Select the rubber plug in appropriate diameter and install them on the headrest poles; fix the bar on the plug by hand firmly; install the pillow pads and tighten the screw caps.