Office chair mats are great for protecting carpet and hard floor surfaces from damage caused by office chair wheels. When office chair wheels move back and forth over a smoooth floor surface such as real wood, laminate or vinyl they can leave scratches and damage the floors aesthetics. Carpets can become tired and damaged from the constant pressure caused by office chair wheels also. Desk chair mats are best placed behind a desk where a chair is used reguarly. Plastics office chair mats will protect your carpets and hard floors for years and extend their life.