Coir door mats rely on processed coconut fibre. Coconut fibre provides strong brushing action. They are designed to sit at access points. The mat surface scrapes dirt from footwear. Indoor surfaces stay cleaner for longer. The Origin of Coir Mat Materials Coir fibre comes from the outer shell of coconuts. https://coir-mats16040.full-design.com/what-defines-a-coir-door-mat-81489072