【Upgrade Universal Headrest Attachment】It's a new design headrest pillow for most kinds of office chair, makes your chair more comfortable. Adjustable height & Angle Upholstered Headrest, Ergonomic design provides support for your head and neck. 【Premium Material】The chair headrest attachment use advanced black breathable mesh & premium elastic sponge & high-quality nylon which is comfortable, strong and durable. 【Adjustable Design】 With a card slot adjustment that increases by 5cm, our headrest is compatible with 99% of office chairs available in the market. This versatile feature allows you to customize the fit according to your chair's dimensions, ensuring a perfect match every time. 【Wide Compatibility】The headrest is compatible with most of backrest, such as wood or plastic, please measure the thickness of the backrest before purchasing. If your backrest is too thick, please use screws to install. 【Ergonomic Comfort】 Elevate your seating experience with our chair headrest, featuring a retractable support pillow that can be adjusted at multiple angles for optimal comfort. Designed to conform to artificial mechanics, this headrest is perfect for relieving work stress and fatigue, making it ideal for long hours of office use.