Laboratory Mailer Outside Height - English 3 3/4 in Inside Length - English 4 in Inside Height - English 2 5/8 in Holds Container Style Petri Dish Holds Number of Tubes Not Applicable Holds Number of Slides Not Applicable Holds Maximum Tube Diameter Not Applicable Holds Maximum Tube Length Not Applicable Holds Slide Length Not Applicable Holds Slide Width Not Applicable Material Polystyrene Color White Standards Not Applicable Outside Length - Metric 127 mm