This seasonally-themed sassafras mat set includes 4 sassafras mats made of fade-resistant polyethylene with rubber backing, as well as our heavy-duty rubber mat frame that accents and complements the mat of choice! Mats are easily interchangeable in the frame. The sassafras mats each measure 22" x 10", and the mat frame measures 30" x 18". Have a piece of decor for every season with this elegant set! Safe for indoor and outdoor use.