hangtag

/ˈhæŋˌtæɡ/
noun
  1. A small tag attached to an item (such as clothing or merchandise) that displays information like price, brand, size, or care instructions.
    • She checked the hangtag to find the washing instructions for the sweater.
    • Each piece of luggage came with a hangtag for the owner's name and address.
    • The hangtag on the jacket showed it was 50% off.