Bare Decor Dasha Spa Shower or Door Mat, 31.5 by 17.75-Inch, Solid Teak Wood and Oiled Finish Genuine solid teak wood (Tectona grandis) is naturally mildew and mold resistant Indoor or outdoor use (shower, spa, sauna, balcony, deck, RV, patio, lawn) Dimensions: 31.5 x 17.75" x 1.5" Slip resistant No assembly required