Description Our seat headrests guide insert is designed for car enthusiasts looking to upgrade their vehicle's interior. This adjustable locking type B model, with a diameter of 12.7mm, ensures a secure fit for your headrests posts. Made from durable plastic, it provides a reliable solution for maintaining the position and stability of your headrests, enhancing both comfort and safety during your drives. Features -Color:Black-Material:Plastic-Size:10.30X3.50X3.50cm/4.05X1.38X1.38in-Adjustable locking design: the adjustable locking design ensures that the headrests stays securely in place, providing enhanced stability and safety during driving-Universal fit: with a 12.7 mm diameter, this headrests guide insert is compatible with a wide range of car seat headrests, making it a versatile choice for various vehicles-Durable plastic material: made from plastic, this headrests guide insert is designed to withstand longterm use without easily getting damaged, ensuring longevity-Easy installation: the simple installation process allows you to quickly and effortlessly attach and detach the headrests guide insert, saving you time and effort-Enhanced driving comfort: by providing a stable and secure headrests position, this guide insert enhances overall driving comfort, making your journeys more enjoyablePackage list: 2 x car seat headrests guide inserts