What's the length of a custom label roll?

We don't have a standard label roll length. It varies depending on how we organize the work in our queue on a given day. Consequently, the number of units per custom roll label can vary from order to order, even if you order the exact same size and quantity.

It's on our roadmap to enable customers to specify the number of custom labels per roll, but we have no ETA on when that will be possible.