Car Seat Neck Protection Pillow, Travel Side Sleeping Pillow, Rear Seat Headrest, Side Pillow. The pillow is equipped with a soft and thick memory foam pad, which is suitable as a cushion. Cloth or Leather pillow case, easy to clean,Adjustable pillow width, suitable for every passenger. With durable, precision-molded memory foam as its core material, this car neck pillow delivers a stable, cozy fit for enhanced driving comfort. It maintains its original shape, density, and slow-rebound quality, plus the headrest features a soft touch, high flexibility, and good air flow.