2-IN-1 CONVERTIBLE DESIGN: Converts simply from 3-steps to a ramp to make it easy for older or arthritic pets to reach sofas, beds, cars, and more. Suitable for old, weak and sick pets. STURDY AND SAFE: Sturdy wood construction for strong support. The ramps are independently safety tested and rated to support pets up to 110 Pounds. COMFORTABLE ACCESS:Nonskid feet, Fabric covered ramp and stairs provide traction for your pet's paws. The grip carpet is designed to keep your pet from slipping when on the ramp. EASY TO CARRY AND STORE: The pet ramps can folds to 1.25” height for easy storage and carrying. Easily store it in your car or at home and not take much space. DIMENSION: 27.6" L x 18.5" W x 19.5" H; Step Size: 15.7" x 9.06". Pet stairs mode is perfect for Small to Large-sized pets, easy to reach sofas or beds. Pet ramp mode is very steep, so it is only suitable for cats and medium to Large-sized dogs, not for small dogs.