Natural coir mats use fibres taken from coconut shells. These fibres are stiff, coarse, and durable. This makes coir mats suitable for entrance use. Shoes passing over the fibres release soil. This reduces the amount of debris entering a building. The Origin of Coir Mat Materials Coir fibre comes from https://emilianowgmru.ja-blog.com/39388063/understanding-coir-entrance-mats