Edible pet chew made from a single initially malleable sheet

1. An edible pet chew consisting of:

a single sheet of a hardened chewable animal hide free material dimensioned large enough and thin enough to be initially malleable for flexing, folding or rolling into a final shape; and

said single sheet shaped by flexing, folding or rolling before hardening into said final shape.

2. An edible pet chew as defined in claim 1 wherein:

said single sheet is a hardened chewable substantially plant based material.

3. An edible pet chew as defined in claim 2 wherein:

said single sheet of plant based material is a substantially starch composition.

4. An edible pet chew as defined in claim 3 wherein:

said single sheet is made from extruded plant based material.

5. An edible pet chew as defined in claim 4 wherein:

said single sheet is rolled and knotted at each end to form the final shape of said pet chew.

6. An edible pet chew as defined in claim 2 wherein:

said single sheet is rolled to form a cylindrical roll;

said single sheet has a first edge section having a different appearance or flavor from a mid-section of said single sheet; and

said first edge section is positioned at an outer edge of said cylindrical roll.

7. An edible pet chew as defined in claim 6 wherein:

said single sheet is made from extruded plant based material.

8. An edible pet chew as defined in claim 7 wherein:

said single sheet is rolled and knotted at each end to form the final shape of said pet chew.

9. An edible pet chew as defined in claim 6 wherein:

said single sheet has a second edge section having a different appearance or flavor from a mid-section of said single sheet;

said second edge section is positioned at an interior portion of said formed pet chew.

10. An edible pet chew as defined in claim 9 wherein:

said single sheet is made from extruded plant based material.

11. An edible pet chew as defined in claim 10 wherein:

said single sheet is rolled and knotted at each end to form the final shape of said pet chew.

12. An edible pet chew as defined in claim 11 wherein:

said single sheet of plant based material is a substantially starch composition.

13. An edible pet chew as defined in claim 2 wherein:

said single sheet has chunks of flavored material embedded therein.

14. An edible pet chew as defined in claim 2 wherein:

said single sheet is rolled and knotted at each end to form the final shape of said pet chew.

15. An edible pet chew as defined in claim 2 wherein:

said single sheet has co-extruded first and second areas with a different appearance or flavor from each other.

16. An edible pet chew as defined in claim 5 wherein:

said single sheet is made from extruded plant based material.

17. An edible pet chew as defined in claim 16 wherein:

said single sheet is rolled and knotted at each end to form the final shape of said pet chew.

18. An edible pet chew as defined in claim 17 wherein:

said single sheet of plant based material is a substantially starch composition.

19. An edible pet chew consisting of:

a co-extruded single sheet of hardened chewable material dimensioned large enough and thin enough to be initially malleable for flexing, folding or rolling into a final shape;

a first section of said co-extruded single sheet having a first appearance or first flavor;

a second section of said co-extruded sheet having a second appearance or second flavor; and

said single sheet being shaped by flexing, folding or rolling before hardening into said final shape.

20. An edible pet chew as defined in claim 19 wherein:

said first and second sections are respective first and second layers of said co-extruded single sheet.

21. An edible pet chew as defined in claim 20 wherein:

said single sheet is a hardened chewable substantially plant based material.

22. An edible pet chew as defined in claim 21 wherein:

said single sheet is a substantially starch composition.