Top Fabric & Non-Slip Rubber Indoor/Outdoor Doormat Door Mats - Summer Sea Beach Seashell and Starfish Floor Mat Rug for Home/Office/Bedroom Size: 23.6"(L) x 15.7"(W) 3/16" thickness Material: Durable heat-resistant non-woven fabric top Backed with a neoprene rubber non-slip backing Multifunction: can be used in indoors and outdoors or used as bath mat Machine-washablefade/mildew resistant