23.6"(L) x 15.7"(W) Stylish Library Book Bookrack Bookcase Machine-washable Doormat Mat Size:23.6"(L) x 15.7"(W),3/16" thickness Material: Durable heat-resistant non-woven fabric top Multifunction: can be used in indoors and outdoors or used as bath mat Great for all seasons Backed with a neoprene rubber non-slip backing