Labmate Polystyrene Petri Dish are Crafted from premium polystyrene for excellent clarity, rigidity, and durability. Their transparent design allows researchers to observe microbial growth without opening the dish, minimizing contamination. They include secure lid that prevents airborne contaminants from compromising the cultures. Their smooth flat interior surface ensures even media distribution and promotes consistent growth of microorganisms. Our Polystyrene Petri Dish are applicable for cultivation and observation of microorganisms, plant tissue, cells.