When gifting my handy work, I like to alert the recipient as to how to care for the item. So, rather than print tags for everything, I use the label portion of the yarn with the fiber name, content and washing instructions. I cut the label down, add my card to the back and "Laminate" with packaging tape. Then punch a hole in the corner, add some of the yarn used to make the project, a button if there are buttons on the garment that may need replacing and there you have it...
PS: if you are a scrapbooker,this could be done up quite nicely.