Easy Installation: The Car Baby Seat ISOFIX Guides Groove effectively shows the installation location of ISOFIX connector, making installation easy. Without a guide, installing an ISOFIX harness can be very difficult and the buckle can be easily damaged. Protect Your Seat: Use this CarSeat ISOFIX Latch to prevent ISOFIX buckles from damaging your car seat, ensuring the longevity of your seat and maintaining its quality. Material: The CarSeat ISOFIX Latch Interface Bracket is made of premium pp material, ensuring long term use and withstanding regular wear and tear. Premium Size: Car Child Seat ISOFIX Interface Buckle measures 4.6cmx4.9cmx5.6cm, this boot is designed to fit perfectly into your child's car seat and your vehicle's ISOFIX interface. Package List: Each purchase comes with 1 pair of child car seat guide channels for ISOFIX interface. Size Chart: 4.6cmx4.9cmx5.6cm/1.81inchx1.93inchx2.20inch Package Includes: 2 Car Baby Seat ISOFIX Guides Grooves Note: Please allow slightly errors 1-2cm differences due to manual measurement.