This design features a graphic design with a white background. At the top, there is a phrase "My Sister Has The Best Sister" in a playful, handwritten-style font. The words "My Sister" are in black, while "Has The Best Sister" is in red, with a heart symbol replacing the letter 's' in the word "sister." Below this phrase, there is a banner with a black background and a red border. The banner contains the words "BEST SISTER" in white, with a heart symbol replacing the letter 'E' in the word "BEST." The overall design is simple and appears to be a humorous or affectionate message.