This design features a playful and colorful illustration. At the center, there is a large, red top hat with a white band, and a red bow tie. The hat is positioned as if it's blowing a kiss, with the bow tie being the source of the kiss. The text "Sister I am" is written in a whimsical, handwritten font, with the word "Sister" in a larger size and colored in blue, while "I am" is in a smaller size and colored in red. The overall style of the image is cartoonish and cheerful, with a clear emphasis on the theme of sisterhood.