High Traction & Anti-Slip - The walking surface of the pet ramp is covered with high-traction fabric carpet with grooves, increasing the friction between your dog's paw and the carpet. 8 supportive crossbars are added to the dog ramps to prevent your pets from slipping or falling down when climbing. Sturdy & High Stability - The Folding dog ramp is made of natural wood, smooth surface, and will not scratch your hands. The solid wood construction and extra long movable wood strip offer strong support, ensuring the dog stair stable enough to bear pets up to 200 pounds. 6 Adjustable Height - With 6 adjustable height settings (14.2", 17", 19.5", 21.3", 23.4", and 25.3"), it accommodates various furniture heights in your home. Versatile and adaptable, this large dog ramp is suitable for any scenario.