Coir mats are made from coconut husk fibres. The material has a naturally rough texture. They are designed to sit at access points. The mat surface scrapes dirt from footwear. Less dirt reaches internal floors. From Coconut Husk to Entrance Mat Coir fibre comes from the outer shell of coconuts. https://coir-entrance-mat01107.p2blogs.com/37650304/understanding-coir-entrance-mats