Description: Quality materials: Crafted from quality plastic and spandex, this office chair adjustable headrest offers a comfortable and soft experience, ensuring durability for long term use Ergonomic design: Featuring an ergonomic concave design, the computer chair head pillow provides great neck support during rest periods, enhancing comfort Versatile use: Easily adjustable in height and angle to meet your needs, this lift chair head rest can also be used as a lumbar pillow for flexible application Nice size: With dimensions of 26 cmx12 cmx19 cm/10.24 inchx4.72 inchx7.48 inch, the lumbar cushion is suitable for backrests with thicknesses ranging from 1 cm to 4 cm. Its compact structure makes it easy to install Wide application: Ideal for various settings such as home, office, dormitory, apartment, living room, or bedroom environments, this neck support cushion adapts seamlessly to different space Specification:Plastic, Spandex and Memory Foam Filling Size Chart: 26cmx12cmx19cm/10.24inchx4.72inchx7.48inch Package Includes: 1pcs Office Chair Adjustable Headrest Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.