Amscan Trendy Rocker Princess Birthday Party Thank You Cards Supply (8 Pack), 6 1/4" x 4 1/4", Black/Violet Features a variety of rock symbols like guitar, lightning bolt, star, heart and crown with a big "Thank You!" printed on the front of the card. Each thank you card measures 6" x 4". 8 pieces of thank you card in each package. Ideal for Rocker Princess theme party.