AsadMed made “Cup Tube Plastic” which is available in 12 * 40 mm Size, and also disposable and breakable and is made of fine quality Polypropylene.
It is easily breakable and commonly used in laboratories. Its hole size is 12 mm and its tube length is 40 mm and easily fits in a test tube stand. About its shape, its bottom is cylindrical shape just like a conical flask at the bottom. It is used in laboratories for testing and examination of different things with chemicals. It is also used in Schools for experimentation and for other purposes.