Custom Star Trek Enterprise Doormat Door Welcome Mat Rug Cover Sign Outdoor Indoor Floor Mats Non-Slip Machine Washable Decor Bathroom CASECOCO(TM) Brand good quality,8-15 Days for delivery Back: non-slip neoprene rubber Top Surface: non-woven fabric Hard to get dirt,Machine-washable,Durable heat-resistant non-woven fabric top Can be used indoors and outdoors Size:23.6"(L) x 15.7"(W)