Good quality. Made of high-density polyethylene, it is sturdy and durable. It strictly controls the opening force of each buckle to prevent accidental unlocking and the baby from slipping out. High safety. The car seat belt buckle is a safety device that installs on a five-point car seat and prevents children from unlocking themselves. Wide range of applications. The car seat safety buckle is compatible with most five-point car seats. Five-point buckle. Easy to install. Installing this car seat buckle protector is very simple. No tools are required. Intimate gift. This five-point car seat buckle is an ideal gift for parents with children. It allows them to no longer worry about their baby's safety in the car and thus improves their driving safety.