Ruggids RV Step Rugs have deep tread that traps dirt at the door. These step rugs are designed for straight RV steps. Easy to install with included zip-ties fitting manual and electric steps 8 inches to 11 inches deep. Made of heavy-duty olefin carpet that is UV-protected against sun damage and fading and resistant to mold and mildew. These step rugs are easy to clean, simply hose off and dry.