Height (Metric) 15.7 mm Shape Round Certifications/Compliance Produced and tested in accordance with the EN ISO 24998:2008 Petri dish standard which includes stringent dimensional controls. Description Petri dish, 90mm Diameter (Metric) 90 mm Sterility Aseptically Manufactured Material Polystyrene Type Petri Dish No. per Case 500 No. per Pack 20 Vent No Unit Size Case of 500