It's easy to keep your entryway looking fresh with MatMates. These artful mat inserts can be used standalone, but really come to life when used with a Studio M Recycled Rubber Mat Tray. With hundreds of designs, you'll find MatMates that are just your style. Swap your insert out for a fresh design to welcome each season! (as shown, SOLD SEPARATELY). Non-slip recycled rubber backing. Approx. 18" x 30".