Adjustable Locking Mechanism This headrest accessory is designed with an adjustable locking system, allowing you to set the precise height and angle for neck support. Whether driving for long hours or sitting for extended periods, it helps reduce strain and enhances overall comfort. Durable Plastic Construction Made from strong, quality plastic, the headrest guides are built to withstand daily use, pressure, and wear. The robust material ensures longlasting performance without sacrificing functionality. Versatile Compatibility Suitable for modified vehicles, office chairs, and home seating, this headrest accessory adapts seamlessly to different environments. It provides consistent neck and head support whether you are on the road, at your desk, or relaxing at home. Compact Square Design With a clean, square shape measuring 2 inches in diameter, it integrates neatly into most seating or vehicle interiors. The unobtrusive design keeps your space looking sleek while delivering the support you need. Practical Use Scenarios Longdistance driving: Maintain proper neck alignment and reduce fatigue during extended trips. Office work: Improve posture and comfort while sitting at your desk for hours. Home relaxation: Enhance support when reading, watching television, or sitting for leisure. This product combines adjustable functionality, durable materials, and versatile use to deliver reliable neck support in a variety of settings, helping you stay comfortable and protected wherever you sit.