Description: [Quality materials]: Crafted from quality plastic and metal, this office chair adjustable headrest features a cloth surface with sponge filling, ensuring durability and long time use [Ergonomic design]: The computer chair head pillow is designed with an ergonomic concave shape to provide comfortable support for your neck during rest [Flexible usage]: Easily adjust the height and angle of this game chair head rest to suit your needs, enhancing comfort and offering versatile use [Nice fit]: With dimensions of 28 cmx18 cm or 11.02 inchx7.09 inch and a clamp inner diameter of 2.6 cm or 1.02 inch, this desk chair attachment is suitable for chair backs with thicknesses ranging from 1.9 cm to 2.3 cm, making it compact and easy to install [Wide application]: Ideal for various settings such as home, office, dormitory, apartment, living room, or bedroom, this neck support cushion offers versatile support wherever you need it Specification: Material: Plastic Sponge Cloth Metal Size Chart: Total Size: 28cmx18cm or 11.02inchx7.09inch Fixing Clip Inner Diameter: 2.6cm or 1.02inch Backrest Thickness: 1.9cm or 0.75inch to 2.3cm or 0.91inch Package Includes: 1pcs Office Chair Adjustable Headrest Note: Please allow slightly errors 1-2cm or 0.39-0.79inch differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.