Coir mats are made from coconut husk fibres. These fibres are stiff, coarse, and durable. They are designed to sit at access points. Shoes passing over the fibres release soil. Indoor surfaces stay cleaner for longer. How Coir Fibre Is Produced The husk surrounding the coconut is the source material. https://naturalcoirentrancemattin01119.alltdesign.com/an-introduction-to-coir-mats-57891308