Coir mats are made from coconut husk fibres. The material has a naturally rough texture. The structure suits doorway placement. Foot traffic activates the cleaning action. This reduces the amount of debris entering a building. From Coconut Husk to Entrance Mat Coir fibre comes from the outer shell of coconuts. https://entrance-hall-matting-sup70864.bloggazza.com/38226151/what-defines-a-coir-door-mat