www.dogramp.com 877-364-5438 The Humane Society-approved Telescoping Dog Ramp slides open and closed. Expands from 48" to 70"; 18" wide; 24 pounds. Black with gray carpet for traction. Side railings add stability and prevent falling. Ramp won't bend or flex under the paws of even the heaviest dog. $179 plus $20 shipping.