It are designed for efficient microbial culturing and laboratory testing. Made from high-quality polystyrene (PS), these petri dishes feature triple vents that allow for optimal air exchange and reduce condensation, promoting the growth of cultures in controlled environments. The sterile packaging ensures the dishes remain free from contamination, making them ideal for microbiological research and testing. This pack contains 480 petri dishes, providing a cost-effective solution for high-volume use in laboratories and research facilities.