Water & Mildew Resistant Canvas Tarps:
The weight of the 10 oz. Canvas Tarps is the weight before its treated. After the fabric is treated is weights 16 oz. per square yard (3' x 3')
The weight of the 12 oz. Canvas Tarps is the weight before its treated. After the fabric is treated is weights 18 oz. per square yard (3' x 3')
The weight of the 15 oz. Canvas Tarps is the weight before its treated. After the fabric is treated is weights 21 oz. per square yard (3' x 3')