1, gift box: Many boxes of jewelry or high-end goods are designed as red squares, which are both beautiful and generous.

2. Packing box: In addition to gift boxes, there are also some food or daily necessities packing boxes designed in red, such as candy boxes and biscuit boxes.

3. Handmade paper: Some handmade or painted papers are also designed as red squares, which is convenient for cutting and using.

4. Buttons: Some buttons on clothes or bags are also designed in red, which is both practical and decorative.

5. Fruit tray: Some supermarkets or fruit shops use red square trays when selling fruits, which can not only protect the fruits, but also attract customers' attention.