Café sign vertically placed

Quick answer：

Vertical café signs are commonly used in the food service industry to display the name of the establishment or its specialty dishes. They are designed to be seen easily from a distance and are often made from materials like plastic, metal, or wood. These signs can be illuminated to enhance visibility during nighttime or poor weather conditions. They are an important aspect of branding and marketing for restaurants and cafes, helping to attract customers and provide a sense of identity for the business.