1.Multifunctional Seatbelt: Designed with two different types of buckles and dual- bolt hook. One can be attached to the seatbelt buckle which is the same as a typical human seat buckle, and the other hook latch for connecting the child seat and the car trunk. You can choose the buckle as needed. 2.Adjustable & Reflective Design: With adjustable strap, the dog car seat belt can be adjusted from 24.8 inch to 35.4 inch allowing pets active ly in certain space. Constructed out of sturdy nylon fabric with reflective threads, making it great for use at night as well. 3.Elastic Buffer Design: With elastic buffer design, nylon dog seatbelt can protect pets from sudden brake or sharp turn, preventing driver from distracted driving, totally a ideal design for pets during travel. 4.Universal Fitting: The tab on the seatbelt clip is 0.83 inch in width, which is compatible with most vehicles. And please make sure to check your buckle's size and compatibility before order.