This is a House of Learned Doctors - Funny Doormats Personalized Durable Machine-washable Indoor/outdoor Door Mat 18"(W) x 30"(L) Inch Durable Heat-resistant,Non-woven Fabric Top 18"(W) x 30"(W),3/16" Thickness Backed With a Neoprene Rubber Non-slip Backing Shoe scraping neoprene rubber keep your floors clean Dry Wet Feet, Grab Dirt, Dust and Grime!