Product Selling Point: 1.The product can be lifted up and down, and the headrest can be turned over. 2.This product can relieve your cervical spine pressure. 3.Due to manual measurement, there may be some errors, please understand. Thank you. 4.If there is a sponge on the backrest, please measure the thickness of the backrest after pressing.If the backrest sponge is too thick, it cannot be installed with fixing clips. 5.If the backrest sponge is too thick, it cannot be installed with fixing clips. Product Specification: Product Name:Chair Headrest Materials:Sponge+ plastic Size 2.2/2.6/3.0 Color:Black/Grey/Green/Blue/Orange Weight:650g About fragments: 1. The backrest thickness is less than 2cm, suitable for 2cm fixing clips 2. The thickness of the backrest is between 2-2.4 cm, suitable for 2.6 cm fixing clips 3. The backrest thickness is less than 2.4-3cm, suitable for 3cm fixing clips Package include: 1x headrest Long and short screw fittings Note: 1.Please Allow 1-2cm Differences Due To Manual Measurement. 2.due To The Light And Screen Difference,The Item Is Color May Be Slightly Different From The Pictures. Service Guarantee: If you have any questions about our products, please feel free to contact us, we will provide you with quality services and the best solutions.