Cotton, linen, or synthetic fabric made with an even weave in heavy and firm weights, for sails, and industrial purposes.

Ada or Java canvas is a stiff open weave fabric used for yarn needlework.

Awning strip canvas has painted or woven stripes on cotton duck. 

Cross-stitch or Penelope canvas has stiff open mesh and is used for fine cross-stitched work. 

Unbleached linen canvas is used mainly for interlinings.