Belt with metal locking clip, it will firmly hold the base of the safety seat to prevent the belt from slipping. Strictly control the opening force of each buckle, prevent the baby from accidentally unlocking. Product standard: Buckle tensile strength test by European ECER44. Passed 5,000 fatigue tests. Product description Superior quality. Material: Zinc alloy, plastic. Length: Approx 23cm. Width: About 9 cm. Passed 5000 fatigue tests. This is a clip for the safety straps of a child car seat. Curved seat strap, helps with positioning and ensures the safety of the child. Strictly control the opening force of each buckle, prevent the baby from accidentally unlocking. Content: 1 safety buckle for infant child car seat strap. Our priority is to satisfy you.