This non-slip rug pad is intended for indoor use, to be used on all types of floor surfaces including all hard wood surface flooring. This non-slip rug pad prevents areas rugs from moving around while on the floor and helps protect floor from scratches. It will make vacuuming the area rugs easier by holding them in place. The rug pad can easily be cut to the desired size. It is easy to install and remove. This rug pad also helps minimize moisture trapping in your rug. It is a polymer coated polyester.