● 【Double Buckle Design】Our IOKHEIRA dog seat belt is designed with two different types of safety buckles on one end. One is hook latch, which can attach to the child safety seat and the car trunk. The other one is seatbelt buckle, which is the same as a typical human seat buckle, can stick directly into the seatbelt slot. Our buckle design is universal for all cars! ● 【Updated Aluminum Carabiner】Our carabiner is made of aviation aluminum and is lightweight and sturdy, with a maximum tensile force of 900 lbs. The curved design is more ergonomic so that it can lock the D-ring more easily. ● 【Reflective Adjustable Design】 The leash of dog seatbelt is made of thick, wear-resistant nylon with reflective threads, making the dog easy to see at night. The length can be easily adjusted from 19.6 inches to 31.5 inches by sliding metal hardware. In this way, the dog can stand or sit down or lie down comfortably. ● 【Bungee Buffer Design】This dog safety belt has a highly elastic bungee cushioning design that prevents dogs from being injured during braking or sharp turns or bumps on the way. So that it improves your safety and that of your pet while driving. ● 【Safety, Comfort & Guaranteed】Imagine that when you travel with your dogs by using our dog seatbelt, they will lay down quietly and comfortably on the back seat like a baby. More importantly, they are safe! Finally, we recommend you to use it with a dog harness!