Solid Teak Wood Made of responsibly harvested solid teak wood (tectona grandis), it has a high degree of natural durability. The high oil content works as a natural moisture barrier as well as giving it a rich warm coloring. Roll it up for easy storage, carry and cleanup Indoor or outdoor use (shower, spa, sauna, balcony, deck, RV, boat, patio, lawn) Slip resistant and natural warm surface No Assembly Required.