Note: Sassafras Switch Mats will ONLY fit in the Sassafras bases and CANNOT be interchanged with other switch mat collections. Made from a stain resistant polyethylene with rubber backing to hold in place. Spot clean only. Dimensions of insert: 10" W x 22" L x 1/8" D. Fits within one of our Sassafras base trays, sold separately. (Or use without base as a stair runner)