Buying flags is an importatn part of society in most countries. The countries flag is a symbol of the sovereign state and describes the countries culture and history. Some flags are easily recognisable and immediately let you know which country they represent. Others aren't so well known, but are still important.
Some flags aren't for countries at all. Some US states have their own flag for example. And some are for sports or teams within a sport. The humble flag is an important part of the world and you can buy all sorts of flags right here!
Not all flags are made to represent a country. People buy flags for other reasons too. Sports flags are another great product.
You can buy them to wave in the crowd or just to support your team at home.