Cool Star War Stormtrooper Custom Machine Washable Fabric & Non-slip Rubber Backing Indoor / Outdoor Doormat Floor Mat, 23.6(L) x 15.7(W) Inch Machine washable, indoors/outdoors mats Backed with a non-slip neoprene rubber mat Durable heat-resistant non-woven fabric top Dimension: 23.6"(L) x 15.7"(W)x 3/16"(H) Stylish, great for all season