2. Blue dice: Dice is a common tool in many games and entertainment activities, in which each side of the blue dice is square and presents a unified blue tone.
3. Blue tiles: Ceramic tiles are commonly used materials in architecture and interior decoration. Blue tiles, especially those with small squares, are often used to decorate walls or floors, adding a touch of fresh blue to the space.
4. Blue folders: In the office and study environment, folders are an important tool for organizing and storing files. The blue square folder is practical and beautiful, which helps to identify and classify files quickly.
5, blue candy packaging: some candy or chocolate packaging is square, with blue as the main color, this packaging is not only beautiful, but also attracts customers' attention, and blue will also give people a fresh and quiet feeling.