Coir door mats rely on processed coconut fibre. Coconut fibre provides strong brushing action. The structure suits doorway placement. Shoes passing over the fibres release soil. This reduces the amount of debris entering a building. From Coconut Husk to Entrance Mat The husk surrounding the coconut is the source material. https://elliottehgfc.activosblog.com/37821283/an-introduction-to-coir-mats