A 24 inch balloon works best for pots 10 to 12 inches in diameter. A 16 inch balloon works best for pots under 10 inches in diameter.
If you can’t use the label as a guide, use a ruler to measure the width of label area on the tin. Draw a rectangle on the construction paper that is the same width and as long as the piece of paper is. You can cut off any overlap.
The square of fabric should be about double the size of the top of the tin. For example, if the lid of the tin is about 3x3 inches, the fabric square should be 6x6 inches.
The carpet tube should be three to four inches in diameter. The bottom of the flower pot should be four inches in diameter.
A balloon is too thin.
This is the drum head