Features 1. [Support 85kg/185 lbs Large Dogs]: The 4 steps dog ramp is made of high-quality stainless steel and PVC material, plastic board added inside of the steps to prevent steps sagged when climbing, can withstand the weight of small, medium and large dogs. 2. [Antiskid Surface]: The pet ladder is upgraded to a rubber coating surface to prevent pets from slipping during climbing. a quick-connects carabiner for securing the stairs to the back of your vehicle, providing double protection for your dog 3. [Antiskid Rubber Feet]: Rubber pads on the bottom for added traction and improved contacts with surfaces, no easier come off like similar models. Note: For back seat side entry, please ensure that the door opening clearance is greater than 19.6" before ordering 4. [Portable and Foldable]: tall pet stairs are easy to use and carry, it can be fold into a small size, not take much space on the car, you can take your pet travel everywhere 5. [Upgraded Designed]: Reinforcement plates are added to the bottom of each step,which will not be sunk too much when dog on the steps.Bottom rubber pads add traction and improve contacts with surface, deluxe antiskid fabric Waterproof, breathable, insulating, wide steps prevent your pets from going over side, additional quick-connect carabiner for securing to the back of the vehicle. Specifications: Material:Iron Pipe+PVC Size:Step Size: Width: 18cm/7.08inch Length: 38.5cm/15.15inch (fabric Only) Step Height: 17.5cm/6.89inch Color:Black Package Included: 1x Step 4 Pet Climbing Ladder