Advertising signs are very popular and will be seen in shops around the world, advertising signs is a very powerful and cost effective method of advertising. They can be completely customized and placed anywhere you want (assuming you have permission). They do not viscerally use in commerce, they can be placed outside to promote your brand or company, sometimes even just to create awareness of something.
They can be manufactured in any size you need, you will find many companies around the world that offer this service and other bespoke signage services. The companies that offer this service also usually offer a complete bespoke service, you are able to choose the logo design (form), color scheme and images you want on it.
They play a very big role in shops and exhibitions, they are designed to stand out and be eye catching, powerful design are often a good option as they draw in the public.
Symptoms can be from a variety of different materials from plastic to metal. Metal advertising signs tend to be more expensive alternative and plastic ones for less budget, but the content of the plastic labels have a much larger array of colors available and metal ones will be painted or finished with a special coating to achieve the desired colors.
If you are looking to advertising signs to make sure that you shop around a bit as you will find other companies better and more efficient than others.