Armrest cupholder

1. An arm attachment for use with a seat having an arm, the arm attachment comprising:

a main body having an armrest portion and a container holder proximate a distal end thereof and the container holder having a perimeter, the main body having a left wall and a right wall each extending from the distal end of the main body;

a bottom insert that attaches to the main body and extends substantially the entire length of the armrest portion and having a front end comprising an arcuate front surface that is substantially concentric with the perimeter of the container holder and that frictionally engages the left wall and the right wall on inwardly facing surfaces to retain the bottom insert to the main body and wherein the main body and the bottom insert form a cavity for positioning the arm attachment about the arm of the seat; and

the bottom insert further having a back end that comprises a channel having left, right, and back sidewalls for positioning about a back portion of the arm of the seat.

2. The arm attachment of claim 1 and wherein the bottom insert further comprises left and right extensions extending from a back end thereof.

3. The arm attachment of claim 2 and wherein the main body comprises left and right slots proximate a proximal end thereof and wherein the left and right extensions position within the left and right slots to retain the back end of the bottom insert to the proximal end of the main body.

4. The arm attachment of claim 1 and wherein the main body further comprises an arcuate front wall that connects the left wall and the right wall.

5. The arm attachment of claim 1 and wherein the main body further comprises a recess between the container holder and the proximal end thereof.

6. The arm attachment of claim 5 and further comprising an armrest insert for removably positioning within the recess of the main body.

7. The arm attachment of claim 6 and wherein the armrest insert comprises a fabric covering.

8. The arm attachment of claim 6 and wherein the main body includes a first plurality of slots in the recess and the armrest insert includes a first plurality of tabs for positioning in the first plurality of slots to retain the insert to the main body.

9. The arm attachment of claim 1 and wherein the main body includes a second plurality of slots between the container holder and a proximal end and the bottom insert includes a second plurality of tabs for positioning in the second plurality of slots to retain the bottom portion to the main body.

10. The arm attachment of claim 1 and further comprising a fastening mechanism for securing the main body to the arm of the seat.