Falcon® 100mm Cell Culture Dish, TC-treated Polystyrene, Sterile, 20/Pack, 200/Case Actual Dimensions – 89.43mm O.D. x 19.18mm Improved product integrity – Redesigned packaging virtually eliminates broken and scratched dishes Consistent culture conditions – Routine performance testing ensures consistent cell attachment and growth Easy to visualize your cells – Stacking ring separations allow airflow between dishes; reducing condensation Fewer messy spills – Interlocking stacking rings dramatically improve stacking stability