Before revision: Modern fascine mattresses are made using a woven polypropylene fabric which is water-permeable, sand-tight and contains pre-woven loops.
After revision: The Cardium, a purpose-built vessel used for the placement of concrete block mattresses during the construction of the OosterscheldekeringModern fascine mattresses are made using a woven polypropylene fabric which is water-permeable, sand-tight and contains pre-woven loops.