A PL Petri Dish (Plastic Petri Dish) is a shallow, circular laboratory container made from high-quality transparent plastic. It is mainly used in biology and microbiology laboratories for culturing microorganisms such as bacteria and fungi. The dish consists of two parts – a flat base and a slightly larger lid that covers the base to protect the culture from contamination while still allowing air circulation. PL Petri dishes are lightweight, durable, and disposable, making them convenient for routine laboratory experiments. They are commonly used in schools, colleges, research laboratories, and medical laboratories for microbial growth studies, sample observation, and laboratory demonstrations.