- Quality material: The safety seat clips are made of high quality zinc alloy and durable plastic, offering strong performance and a smooth finish that is gentle for your child. - Suitable size and compatibility: Length about 23 cm (9 in), width about 9 cm (3.54 in). Designed for 5-point harness systems and for safety seats with removable buckles. If your buckle cannot be removed, this product cannot be used. - Enhanced safety and function: The car seat crotch buckle helps locate and guide the straps to keep the child securely fastened. It strictly controls the opening force of each buckle to prevent accidental unlocking. The harness uses a high quality buckle that is easy for adults to operate but difficult for babies, improving safety during mealtimes and travel. - Easy to install and remove: Belt with a metal lock clip securely anchors the base. Install the Japanese buckle on the bottom of the seat, adjust the shoulder strap, and thread through the five-point harness. To unlock, press the red button. - Practical use scenarios: In a car during travel to reduce child-initiated buckle releases and keep the harness in place. At mealtimes to maintain strap alignment and prevent loosening. When transferring seats between vehicles to quickly secure and preserve correct five-point harness setup.