Coir mats are made from coconut husk fibres. The material has a naturally rough texture. They are designed to sit at access points. Shoes passing over the fibres release soil. This reduces the amount of debris entering a building. From Coconut Husk to Entrance Mat Coir fibre comes from the https://simonrqoke.madmouseblog.com/20102065/understanding-coir-entrance-mats