Comfortable and Safe: The seat belt clip adjuster can tie the shoulder straps and waist belt together, so that the shoulder straps will not rub against your neck, providing you with more comfort! Durable Anti-Rust Material: The car metal safety clip is made of high-quality steel, which is very durable and strong! And after black electrophoretic treatment, black coating, anti-rust and corrosion resistance! It also has a smooth surface without burrs for easy application. Easy to Use: The seat belt buckle is very easy to use! You simply thread the shoulder straps and lap belt together through the buckle and slide them into place. The seat belt won't weigh on your shoulders and rub against your neck and clothes! And the storage is very convenient and does not take up space! Universal Seat Belt Clip: The car seat belt clip is suitable for adults and children to relax shoulder and neck! It is universal and can be used with most standard seat belts!