Natural coir mats are made using coarse coconut fibres. The husks are processed to form a dense mat surface. The finished mat has a rough texture. The fibre texture scrapes mud and debris from shoes. They are often used in doorways and porches. They perform well in covered external spaces. https://coir-entrance-mats47765.verybigblog.com/38061355/what-are-coir-mats