1. First, use a rag to clean up the place where the luggage needs to be pasted. As shown in the figure:

2. Prepare the sticker and double-sided adhesive tape. As shown in the figure:

3. Worried that the corners of the sticker will become warped, you can stick the corners of the sticker with double-sided tape. As shown in the figure:

4. In this way, the stickers on the luggage can fit the luggage better. As shown in the figure: