Material: Office Chair Memory Neck Support is made of memory foam and is designed for neck support to improve your comfort in the office Ergonomics: Headrest Pillow for Neck provides soft support that conforms to the natural curve of the neck, ensuring comfort during naps Breathable Design: napping pillow uses a breathable design to prevent heat build up and ensure a comfortable experience, making it ideal for reclining and prone sleeping positions Versatile Compatibility: neck cushion is designed to fit most office chairs and can easily adapt to a variety of sleeping positions, including supine, prone and side sleeping Compact Size: Chair Rest Pillow measures 27cmx18cmx26cm, making it convenient to use in any office environment without taking up too much space Size Chart: 27cmx18cmx26cm/10.63inchx7.09inchx10.24inch Package Includes: 1 Napping Pillow Note: Please allow slightly errors 1-2cm differences due to manual measurement.