Labels can come in many shapes. They are mostly used in rectangular shapes, but can be printed on different shapes depending on what you would want to use it for:
Square labels can be used for smaller boxes and packages. This is recommended for businesses that sell small-sized products, such as jewelry or watches. Square labels can also be stuck on products to decorate them. Make them interesting to get more customers to pick those products up!
Rectangular labels are the most common label shape and for good reason. You can use rectangular labels to organize your office supplies so you can know where everything is. You can also use these on bigger boxes and packages since they're larger than square stickers. They can have more fun uses too, such as using them as custom water bottle labels. Like square labels, you can place a rectangular label on products, too! Some places you can put a rectangular label on are long bottles, desktops, and more.
Circle labels are very popular as well. Use circle stickers on boxes and packages, but also on round objects! For example, many people place circle stickers on tubes that contain canvases and other important artwork to put the name of their business on the unique packaging.