Turquoise is a largely unknown color. It looks similar to blue but it is not exactly blue. It is a different good looking color. That is why party plastic turquoise tablecloths are available. Even though it is difficult to find a turquoise tablecloth in your local shop, it is available easily online. If you simply search Google using the keyword turquoise tablecloth, you can find many online stores selling it.
So, people who do majority of their shopping online know about such unique but unknown colors such as turquoise. Turquoise tablecloths are usually made of plastic. If you say plastic, not all stores sell good quality plastic tablecloths. You have to be extremely careful while shopping for plastic turquoise tablecloths online. You need to do plenty of research. Look for a store that sells these plastic tablecloths for cheap prices yet are of good quality. Go through some tablecloth forums and discussion boards online.