Nomadics Tipi Maker'sSioux /Cheyenne style Tipis come in 13oz. and 15oz. Organic Non GMO Marine Treated canvas and offer many options like their Critter Guard and Taller Door openings for Traditional and Campground Models. Nomadics' artists will paint your Tipi cover for you at a reasonable price. Allow 6 to 8 weeks for new Tipi cover orders. Also we have many sizes in stock.