Our 100 x 100mm square petri dishes with a precision-printed alphanumeric grid offer exceptional clarity and reliability for microbiological applications. Manufactured from virgin crystal-grade polystyrene, these dishes provide excellent optical clarity, making them ideal for micro photography and colony counting. The flat, stable surface ensures consistent results, while electron beam irradiation sterilization guarantees a contaminant-free environment for accurate lab work. Crystal-clear polystyrene construction for optimal visibility Sterilized by electron beam irradiation for contamination-free use Alphanumeric grid on the bottom for precise sample tracking and analysis Flat, stable surface ensures reliable microbial growth and imaging Convenient packaging: 25 per pack, 500 per case Ideal for microbiology, cell culture, and colony counting applications, these sterile square petri dishes provide the precision and clarity required for high-accuracy lab work.