2 Fabrics Sort Relevance Name (a-z) Name (z-a) Price (high to low) Price (low to high) Weight Width Classic Waterproof Canvas FR 240gsm £20.83/m As low as £18.75/m 140cm wide 100% polyester, pu coated Waterproof fire retardant canvas suitable for outdoor applications. Premium Hopsack 398gsm £24.99/m As low as £22.49/m 140cm wide 100% cotton Very heavyweight fabric with a straight visible weave.