Our product is designed to fit a wide range of car models, making it a versatile addition to your vehicle. The 12.7mm diameter is a standard size that accommodates most headrests posts, ensuring compatibility and ease of installation. Whether you drive a , SUV, or truck, our headrests guide insert will provide the support and stability you need for a comfortable driving experience. Features -Color:Black -Material:Plastic -Size:10.30X3.50X3.50cm/4.05X1.38X1.38in -Adjustable locking mechanism: the adjustable locking feature ensures that the headrests remains securely in place, providing added safety and stability -Broad compatibility: designed to fit headrests with a 12.7 mm diameter, this guide insert is compatible with a variety of car seats, making it a versatile option - material: constructed from plastic, this headrests guide insert is durable and resistant to damage, ensuring it lasts for a long time -Simple installation: the easy installation process allows you to quickly and effortlessly attach and remove the guide insert, saving you -Enhanced driving experience: by providing stable headrests support, this guide insert improves overall driving comfort, making your trips more enjoyable Package list: 2 seat headrests guide inserts