Natural coir mats use fibres taken from coconut shells. Coconut fibre provides strong brushing action. The structure suits doorway placement. Foot traffic activates the cleaning action. Indoor surfaces stay cleaner for longer. How Coir Fibre Is Produced Coconut shells provide the raw fibre. Processing prepares the fibres for mat production. https://edwinroibr.blogmazing.com/38035391/understanding-coir-entrance-mats