COTTAGE MILLS-PIY Tag Personalized Key Tag. Make a great personalized gift with this solar-powered flashing key tag. Just select on of the 24 included backgrounds and write a name or message using the included stickers. No batteries required! This package contains (1) 2-1/2x1" key tag with ring, 24 patterned backgrounds, and 100 letter stickers for personalization. Instructions for personalizing are printed on the back of the package.