Seat belt adjuster gives your car seatbelt with useful automobile safety. With using this car seat belt clips for more safety driving, you can avoid injury and enjoy your journey more! Don’t hesitate and take it now! Main features: Made of top quality ABS plastic -Strong, durable, wear-resistant, reliable & portable -Using this Car Seat Belt Buckles for more safety driving -Humanized design to control and fasten the tightness freely -Fit nearly all car seat belts (fits up to 53mm) Easy to install, use and adjust -No welding, melting or glue and no tools are required -Avoid neck injury when emergency braking -Improve safety and reduce the discomfort caused the seatbelt Specification: Type: seat belt adjuster Quantity: 1pc Material: plastic Item color: red Size: 10*2.5cm/3.95*0.98inch (L*W) Weight:19g/0.67oz Package includes: Seat Belt Adjustable Clips Instruction: 1, Open the Seat Belt Clips, put the safety belt into proper position, cover it. 2, Fasten the seat belt, pull it and make it slightly loose. 3, Open the seatbelt clips and move them to the expansion opening. Close the buckle again to secure it. Notice: The Seat Belt Clip is fixed on the safety belt to reduce the tension of the belt. It won’t influence the safety of seat belt.