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. The Origin of Coir Mat Materials Coir fibre comes from the outer shell of coconuts. https://entrancematting35531.ja-blog.com/39751154/understanding-coir-entrance-mats