Coir doormats are made of 100% natural coir and are great for preventing dirt and mud from tracking inside your home. Size: 18" x 30" inches, approximately 0.6" thick. Material: 100% natural Coir fibers with black vinyl backing..!!! Hand Painted Coir Doormat With PVC/Latex Backing To Help Keep Mat In Place..!!! We suggest you keep your mat as dry as possible to avoid darkening of the fibers. To clean, simply give it a good shake..!!!