Durable Material: Made of high quality nylon fabric, solid zinc alloy swivel snap and plastic buckles, the dog seatbelt ensures a safe trip for your pet; and you can take a relaxing driving Adjustable Length: The dog seat belt is adjustable from 18-31 inches you can easy to adjust the dog leash to the suitable length to keep your pet in a safety state UNIVERSAL FITTING: No need to worry about compatibility of the buckle's size, just fixed on the headrest, this dog car seatbelt could be used in all of the cars vans, truck, and SUVS, etc. Easy & Practical: It is easy to fix and remove the dog leash from the headrest with the buckle. And it can be not only used as seat-belt ,but also a dog leash whenever you nee Warm Tips: For pet's safety and comfort, please DO NOT attach the pet seatbelt to pet's collar directly. It is recommended to use it with pet harness instead of pet collar