Indoor / outdoor trapper mat helps trapping mud, dirt and absorbing moisture from shoes. Doormat features non-slip rubber backing to keep mat in place while in use and prevents moisture from seeping through to the floor. Cleaning is simple and easy. Just shake, dust, or wash and then hang to dry (Rinse and hang to dry : Not machine washable. Keep away from heat). Mat size is 18 Inch x 30 Inch.