Adjustable Memory Cotton Car Headrest Neck Rest Seat Cushion Pillow. The pillow core adopts slow-elastic memory cotton, anti-skid, breathable and comfortable. The outer layer uses high quality leather, ergonomic design, and fits the human neck curve. Elastic bands keep it firmly in place. Compact size is ideal for targeting precise lower back pressure points. Contoured neck pillow featuring a central groove for optimal head positioning.