MLB Kansas City Royals 28 x 52-Inch Floor Mat 100% Polyester Made in US Officially licensed decorative mat. Mats are 28" x 52" and made of 100% non-woven polyester with a skid resistant foam urethane backing. These mats are also mildew and stain resistant, UV stable and machine washable. Made in the USA Great for Home, Dorm or Office 28" x 52" in size featuring dynamic team graphics. Mildew and stain resistant