The Maccartney Bottle (15 ml / 30 ml) is a small laboratory glass bottle used for the collection, storage, and handling of biological or chemical samples. It is commonly used in microbiology laboratories for storing culture media, specimens, and reagents.The bottle is manufactured from clear laboratory-grade glass and is supplied with a screw cap fitted with a rubber liner, ensuring a tight seal to prevent leakage and contamination. Its compact size makes it convenient for handling small quantities of samples during laboratory procedures.