Coir mats are made from coconut husk fibres. Coconut fibre provides strong brushing action. This makes coir mats suitable for entrance use. Foot traffic activates the cleaning action. This reduces the amount of debris entering a building. The Origin of Coir Mat Materials Coir fibre comes from the outer shell https://caidenudnoa.tinyblogging.com/what-defines-a-coir-door-mat-83167886