Natural coir mats use fibres taken from coconut shells. These fibres are stiff, coarse, and durable. They are designed to sit at access points. Shoes passing over the fibres release soil. Less dirt reaches internal floors. How Coir Fibre Is Produced The husk surrounding the coconut is the source material. https://paxtontvsoj.educationalimpactblog.com/60532912/what-defines-a-coir-door-mat