400 Denier Nylon Pack Cloth Fabrics Durable Water Repellent coated 60 inches wide Assorted Colors 79 cents a pound about 50 cents a yard.
Black 70 Denier Nylon Ripstop Fabric 60" 50 to 99 cents a yard
Light Charcoal Gray Outdoor 3 Way Stretch Fabric UVA & UVB Blocking 60 inch wide $3 a yard