1.Quality Material: The seat clips are made of high quality zinc alloy and plastic, durable and hard to damage, soft and comfortable for your child use. 2.Suitable Size: The seat clips length is about 23cm/ 9 inch, width about 9cm/ 3.54 inch; and more suit for 5 point, suitable for the seat which the buckle can be removed,COZY PROMPT that if the buckle cannot be removed, product cannot use. 3.Extensive Function: The car seat crotch buckle can help to locate and curved seat strap to ensure the of the child; strictly control the opening force of each buckle, guard against the to unlock accidentally.more ,harness includes a high-quality buckle that's easy for grown-ups but hard for babies to ensure and stability at mealtime. 4.Easy to Install and Remove: Belt with metal lock clip to hold the seat base tightly, Install the Japanese buckle on the bottom of the seat, adjust the shoulder strap and pass the five-point lock; Once installed, unlock by pressing the red button.