? Name:Car Seat Chest Harness Clip & Car Seat Safety Belt Buckle? Color:Black & Red? Material: Nylon PA66 material and ABS automotive special plastic.? Function:Preventing seat belts from falling off and giving the baby more safety guarantees.Car Seat Chest Harness Clip's effect:? Keep the seat belt in the correct position of the child's body;? To prevent the movement of the seat belt may cause damage to the child's face and neck;? The combination of the seat belt and the child's body is more reasonable and forbidden;? Relieve the impact and injury to the child during emergency braking.? It can be used when fixing the child safety seat with a seat belt.Car Seat Safety Belt Buckle's effect:? Stuck in the seat belt outlet to avoid seat belt rebound (especially the seat belt with pre-tightening function, it is difficult to install the safety seat without this thing!)? Pin the back of the seat belt plug and secure 2 seat belts so that you don't need to adjust the seat belt every time you install the seat.? For a slightly fat adult, you can get stuck at the seat belt outlet and adjust the length of the seat belt to avoid the feeling of seat belt.? Packing quantity: 2pcs ? Product size: Car Seat Chest Harness Clip?5.7*1.6*0.4inch? Car Seat Safety Belt Buckle?3.6*0.7*1.4inch? Package size: 7.8*5.5*0.7inch? Weight: 49g/0.1lbNote:? All dimensions are measured manually and there may be small deviations.? We guarantee to provide the best quality products and best service, if any problems, you can contact us, we will provide a variety of solutions for you to choose.