Click one to resize the design you have selected. The shape stays the same, only the width changes.
These are starting points, not rules. If you can, measure the garment.
Choose any width and height. Each width matches these gang sheets:
Pick the length from the list next to the width. All sheets print at 300 DPI.
This only changes what you see here. The background is never printed: your sheet always exports with a transparent background.