The image features a black and white illustration of a butterfly-shaped sign. The sign is adorned with the phrase "Happy Birthday" written in a cursive font. The butterfly design is intricate, with the wings and body of the butterfly detailed and filled with small butterflies. The sign is mounted on a thin, vertical pole. The overall design suggests a festive and celebratory occasion, possibly a birthday party. The use of butterflies as decoration adds a touch of elegance and nature to the sign.