Extra Wide Stairs Designed for Dog s Comfort: Wider and more stable than a ramp, the gentle incline puts less pressure on your dog s front and back legs. Easing pain and better protection against injury, allowing short-legged, older, handicapped, or injured dogs to climb and down with security and comfort. More Sturdy and Durable: Compared with plastic ramps, PetRuna dog ramp is made of an extra and rust-proof aluminum alloy overall frame, while each step is incredibly durable and stable to support UP to 250 pounds overweight furry friend. The perfect gift for our pets, to protect their joint knee from injury. Safety & Non-slip: High-quality Oxford cloth and non-slip paw print coating surface prevent pets from slipping when climbing stairs, slip-resistant rubber mat attached to the bottom makes the stairs not move even if in slippery places. Updated carabiner safety tether for securing the stairs to the vehicle offer double protection for your dog.