With Otto Step, your dog can now step easily into the back of the SUV – no more picking up hind legs! Simply insert Otto Step directly into your trailer hitch receiver, your furry friend can easily step up onto the step and into the back of your vehicle. Think of Otto Step as a preventative medicine for your companion, because it helps prevent injuries caused by jumping down from high SUVs. Otto Step is made of lightweight and durable glassfilled nylon that can easily hold over 200 lbs.