Another source for canvas type shelters is David Ellis @ www.cowboycamp.net Anyone choosing traditional canvas would do well to buy from a tentmaker of repute. Painter's drop cloths and even some production items have a fatal flaw. Look for black peppering in the cloth ( ask for samples) This is a sign of cheap canvas that has not been cleaned before weaving. Quality canvas is a clean vanilla white ( unless treated for water or fire retardance.) I wrapped myself in a reproduction bedroll and spent the night sneazing and coughing from exotic pollens and dust. Canvas should be pre soaked before use to shrink seams and increase water repellency.