STCaiyun Police

STCaiyun by Changzhou SinoType Technology Co., Ltd. is a free outlined display font with broad, buoyant letters and a strong retro-pop silhouette. The rounded forms stretch generously across the line, mixing open interiors with compact inset shapes that give the lettering a playful, almost inflatable construction.

Packaging is its clearest medium, especially for sweets, toys, and casual drinks. The same oversized curves suit festival posters, children's entertainment, and upbeat music graphics, where the lettering can become part of a cheerful product identity for a youth-focused brand rather than a neutral label.