What does UNstretched canvas mean?

Related questions

1. Is the meaning of ingenious and ingenuous?
2. What are the different levels of canvas?
3. What is a canvas in voting?
4. What is a canvas used for?
5. How is a canvas made?
6. What is the best type of canvas to paint on?
7. Which is stronger linen or cotton?
8. Why do painters use canvas?
9. Who is an ingenious person?
10. Is canvas fabric eco friendly?

Tags

1. #there
2. #stretched
3. #unstretched
4. #piece
5. #frame
6. #behind
7. #picture
8. #means
9. #other
10. #being
11. #companies
12. #tubes
13. #canvas
14. #rolled