The natural coir material is highly absorbent and will remove dust and dirt from footwear and paws collecting it at the bottom of the fibres where it can easily be shaken off before entering the house. These versatile heavy-duty entrance door mats can be placed inside or outside the home, or why not both keeping your home extra clean. Suitable for indoor & outdoor. These hard wearing floor mats are made from natural coir material with a slip-resistant PVC backing.