Attractive And Inspiring, This Doormat Insert Fits Perfectly Into Our Doormat Base To Create A Look You Will Love; this doormat insert fits snugly side to side, with a little gap on the top and bottom, so as not to create a tripping hazard.Made With Mildew-Resistant Polyethylene Terephthalate Fibers, It Helps To Quickly Clean And Dry Shoes. Rubber Backing Holds Insert Firmly In The Base. Size Of Insert Is 21-7/8 x 9-7/8. Insert Only – Doormat Base Tray Sold Separately,SKU# 20018.