The Coir Mats are natural floor and door coverings made from coconut fibers or coir. Coir fibers come from the outer shell, or husk, of coconut. These fibers are durable, water-resistant, and provide a soft yet sturdy material for doormats and area rugs. Understanding Coir MatsCoir mats are natural floor and door coverings made from coconut fibers or coir. Coir fibers come from the outer shell, or husk, of coconut. These fibers are durable, water-resistant, and provide a soft yet sturdy material