Anti-Slip Rugs Underlay is suitable to use on both carpeted and smooth floor surfaces such as wood, laminate, vinyl and stone etc. The underlay can easily be lifted for maintenance and keeps rugs in place, in addition to prolonging the life expectancy of your rugs. Ideally you should try to buy sizes approximately 10cm shorter than the rug you are purchasing. This product can easily be trimmed to size. The sizes below are to fit sizes: