Height Adjustable: Equipped with support bars and grooves for different components, this dog bed ramp offers five different heights: 12 inches, 14 inches, 16 inches, 18 inches, and 20 inches, helping pets easily reach beds, sofas, windowsills, and other higher surfaces. Metal Frame: Made of high-quality steel, this wide dog ramp can support up to 130 pounds and is suitable for small dogs such as Chihuahuas, medium-sized dogs such as Dachshunds, and large dogs such as Golden Retrievers and German Shepherds. It is also suitable for senior dogs, puppies, or pets recovering from surgery.