SIZE: totally 5 size from 19" to 47" inchs.suitable for many kinds of pets with different weight, please measure from your dog's harness clip to your car's latch bar to determine best size.we believe all your request will be satisfied.
MULTI-CONNECTING WAY: double swivel clip and latch attachment design,you can connect it to your car's regular seat belt with the nap OR you can connect it to latch bar in your cars back seat creases as a extral pet tether.so the passager and your pet can use the seat belt in the same time without influence.
MARTERIAL: made of 100% heavy duty stainless steel，anti-rust and durable, 3.0mm diameter，strong/sturdy enough for big/active/aggressive canine dog
PREVENTS DISTRACTIONS AND AVOIDS DANGER: have been tested for withstanding more than 100kg pull, it can restrain your dog's active space in the car,allowing your dog to freely sit,stand and lay down without distracting
WIDELY APPLICATION: not only can be used in your car as Safety Seatbelt Leash/NO-chew resistant for dog,but also can be used as double end pet leash