Canvas
Sea Terms
The material of which sails, awnings, etc., are made, 00 is the coarsest and strongest. It ranges from 00 to No. 10. Sails lighter than No. 10 are made of Ravens, which runs from 8 oz. to 15 oz. to the yard. The standard width canvas for yachts' sails is fourteen inches, but as narrow as six inches is often used.