100% Cotton 10.10 oz 60” Army Duck, Mineral Dyed, Colorless Sunforger Marine Boat shrunk( Not Preshrunk)  fabric is the most preferred finish for  Tents, Tipis, Campers, Covers and other outdoor applications. This is a dry finish and almost odorless. The fabric is breathable. The fabric is “Mineral Dyed” and a durable water repellent, rot resistant, mildew resistant finish is applied. The fabric treated with this finish has excellent light fastness. It is breathable and also flexible in cold temperatures.