Convenient Pet Access: The 4-step dog stair for cars adjusts in height between 24-25.4 in, making it ideal for small dogs, elderly pets, or injured pets to easily access car trunks, side doors, SUVs, small vans, trucks, beds, sofas, grooming or vet tables. Sturdy and Safe: Built with a sturdy aluminum alloy frame, the folding pet steps can support pets up to 150 lbs. They remain stable and do not wobble. Foam handles and safety tether clips enhance safety, preventing pets from slipping while climbing. Comfortable Stair Surface: The dog car stairs are covered with polyester fabric, providing a relaxed, non-slip surface that gives your pet's paws good traction for easier climbing. The bottom non-slip pads enhance stability and prevent pets from slipping on the ramp. Portable and Easy to Store: This dog car ramp is easy to store and carry, fitting conveniently in car trunks, side doors, or any corner of your home without taking up much space. Product Dimensions: At a normal stretch angle, the portable dog steps' length is 30.9""/785mm and the height is 25.4""/645mm. At a lower angle, the length is 41.5""/1055mm and the height is 24""/610mm, making it easy for your pet to access car trunks or side doors.