This product features a robust metal construction, ensuring long-lasting use and reliability while enhancing the safety of your family during travel. Fit for Various Brands, compatible with leading brands including Safety 1st, Cosco, and Evenflo Comfort and Safety Combined, ensures that your family remains safe and comfortable without any sliding, providing peace of mind for parents on the go. Convenient and Portable Design: Each pack contains 2 Metal Locks, ready for all your travel needs. This metal lock is easy to install, Made of high-strength metal material with excellent durability and corrosion resistance, Whether you're traveling long or short distances, the Metal Lock will be an indispensable safeguard for your families' safe journey.