Pet Loader folding dog stairs are ideal for cars, SUVs, Semi-trucks, and RVs! Perfect for dogs that prefer steps over ramps, the exceptionally strong and sturdy Pet Loader folding dog stairs are easy to open and then fold compact again for easy moving and storage. The unique staircase design, and low angle of ascent/descent, eliminate much of a dog’s fear and anxiety. The deep, level stair treads instill confidence, and pets instinctively take to the unique staircase design. Strong, stable, and secure, the Pet Loader pet steps will safely support any size dog.