Coir mats are made from coconut husk fibres. The material has a naturally rough texture. They are designed to sit at access points. The mat surface scrapes dirt from footwear. This reduces the amount of debris entering a building. How Coir Fibre Is Produced Coconut shells provide the raw fibre. https://tysonhgebv.blogoxo.com/39506483/understanding-coir-entrance-mats