Features: Filled with soft memory foam, not easy to deform, has good elasticity and durable in use.Perforated leather gives it good air permeability. With ergonomics design, it protects your head and neck from the damage of violent vibration. It is conducive to reduce your neck pain, pressure or tiredness during your long time driving. You can remove its cover for convenient washing and it can be washed repeatedly. Easy to install. Can be fixed stably on your car seat.