This is a 2 sheet pack (each sheet measures apporx 6.5cm x 12.2cm) of thought bubble stickers.  Each sheet has 12 designs, making a total of 24 stickers.  The wording on the stickers are:

Happy Birthday! (2 designs per sheet)

Make a Wish! (2 designs per sheet)

Surprise! (2 designs per sheet)

Party

Smile (2 designs per sheet)

Blow out the candles!

Congrats!

Party Animal!

Happy Birthday