【Two Design Fixed Seat Belt】Our dog seat belt for car designed with two choices. Locking bar hook, it attaches to your car's chassis via locking bars that are located in the crease of each rear seat. The dog seat belt buckle snaps directly into the seat belt slot. Easily switch the seat belt clip from one car to another as needed. 【Lockable 360 Degree Swivel Snap Hook】Pet Dog Car Safety Harness Non-slip locking clasp is made with lightweight material of 180+ lbs maximum force tension, with locking bar clip with adjustable safety, securely in place with a gentle upward push to ensure your pet's safety will not come off the seat. 【Adjustable Size Elastic Seat Belt】The dog car harness seat belt is made with quality thick nylon with reflective stitching sewn into the material, making it safe and easy to see at night. Easily adjust the length from 54 - 90 cm by sliding the metal hardware. The elastic bungee design provides a buffer that can protect dogs from sudden braking. 【Universal