Help your dog safely get in and out the car with the PetSafe® Replacement High-Traction Tread for the Happy Ride™ Folding Dog Ramp. If your current tread is showing signs of wear and tear, this replacement high-traction tread will let the adventures continue. To use, simply remove the existing tread from your ramp and adhere the new tread to your dog ramp. The treads have adhesive on the backs to help them stay securely in place. PetSafe® brand is here to help you and your pet live happy together™.