Most people still use it for large envelopes and for packages, but because you can use Dymo's free software to create a label template for your own requirements, you can use it for basically whatever purpose you like.
Moving House or Office? the 30256 Large Shipping Label is perfect for labelling boxes / cartons. Some would print a description of the carton contents on the labels, others would simply print a large number on the label and have a separate register of what is inside each carton. Either way, it is an efficient and neat way to get organized.
Labelcity sells 1000's of rolls of this label each month. Our equivalent to the Dymo 30256 is the Labelcity 120300. It is 100% Dymo guaranteed and meets/exceeds all Dymo specifications.