It's easy to print labels with SEAL devices with Seal App.
At first run it's necessary to select the label printer to work with, then everything is as easy as selecting the custom layout, fill the requested fields and select the number of labels to print: in a few seconds you'll get the labels you need.
There is also the chance of downloading upgrades of custom layouts and logos from Bottazzi Tech cloud and upgrade the label printer directly by tha app.