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. 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.