Taylor Swift fans are giving Travis Kelce a serious stamp of approval ... in the form of new merch, and it seems Swifties think this relationship might have some longevity -- enough to start printing his name, anyway.
The singer and the NFL stud are now getting paired on tons of merchandise cropping up this week on Etsy ... mostly in the form of different shirts going for between $10 to $38, plus some luggage with a $206 price tag.