The "Frog" set features a cute green frog with a pink tongue and large eyes, in various moods: calm, smiling, with stars, with a snail on its head, and crying. The style is soft outlines, warm colors, and an anime/cartoon design. It's perfect for expressing emotions, from tranquility to tenderness, sarcasm, or sadness – in any conversations where you need to convey a mood without words.