Headrest for office chair is designed to fit only office chairs with flat backrests measuring 1.0-1.9cm thick; please verify your chair's specs before purchase. Office chair headrest attachment is crafted with breathable mesh, premium virgin cotton, and a sturdy metal bracket for long-lasting comfort and durability. Office chair headrest attachment installs easily with a clip-on design, requiring no drilling or modifications to your existing office chair. Chair headrest features reinforced black clips with thickened screw positions and metal ring-reinforced mounting holes for stable, non-slip performance. Headrest for office chair 4cm height adjustment and flexible angle settings, allowing you to find the most comfortable position for prolonged use.