Amscan Vibrant Neon Jumbo Add-an-Age Letter Birthday Party Banner Decoration (1 Piece), 10 1/2' x 10", Multicolor Features a vibrant letter banner spelling out "Happy Birthday" with peace signs, butterflies, guitars and flowers in rainbow hues doodle in neon colors. Ideal for Neon themed party. Each banner measures 10in high x 10 1/2in long. Reusable and easy to assemble.