The resins applied to regular sailcloth make it stiff and crunchy, giving it an almost plastic-paper-like feel. This sailcloth is untreated, making it perfect for bags. It is the exact fabric we use for our Sailcoth Totes.
Polyester, available here in 2 weights: 5.5 oz. and 7.6 oz., 54" wide, sold by the yard.