The heavy duty Polypropylene material provides all-season strength and durability, with a series of shallow ridges easily scrubbing dust, dirt and grime from the soles of your shoes. A PVC backing ensures a non-slip finish, while also helping keep water contained. These doormats are suitable for both indoor and outdoor use, and easy to clean - simply beat while hanging outside with a sturdy broom handle, then brush through with a small amount of water before laying flat to dry. - Havendro Heavy Duty Door Mat Extra Tough Indoor Outdoor Office 60×40cm Grey - Size: 40 cm x 60 cm