Test tube is one of the main consumables of every laboratory, which has the most applications in laboratory departments. Depending on the type of application of these essentials, different names such as test tube, sample tube, culture tube and sample tube are given to these laboratory products. Their use in medical laboratories is more and more sensitive than other cases, and it can be said that without the existence of glass and plastic test tubes, it is very difficult or impossible to perform correct, hygienic and perfect medical tests. Plastic pipes are available in three sizes: 12×75, 12×100, and 16×100 mm.