Vehicle pet ramps make it easier than ever for small dogs and dogs with hip problems or arthritis to get in and out of vehicles. The easy way to help pets get in and out of cars. These lightweight ramps feature an anti-skid surface with a playful bone design on the top and bottom of ramp and holds dogs up to 150-pound. Available in black color. Measures 62-inch length by 16-inch width by 4-inch height. To assemble- before using pet ramp, ensure your pet is comfortable by having him/her walk across the ramp while it is on the ground. Once pet is used to the ramp, then follow the below instructions. Unfold pet ramp and place on firm surface with non-skid surface facing up. Watch for pinch points while unfolding ramp. Ensure non-slip rubber-feet are securely placed on bumper of vehicle. Make sure enough of the top lip is over the bumper (top lip curves in toward the vehicle, bottom lip curves out toward ground; both sides feature non-slip rubber-feet). Be sure the ramp is secure and that all four corners are supported. To disassemble- fold ramp in half (be sure to watch for pinch points). Attach safety latch to keep ramp securely closed.