Microscope Cover Glass Product Type Microscope Slide Cover Glass Material 3.3 Borosilicate Glass Overall Length 74 mm Overall Width 32 mm Size 74 x 32 mm Holds (180) 22 x 22 mm Slides Number of Slides/Slide Boxes Held 180 Number of Compartments 4 For Slide Length 22 mm Includes Not Applicable For Slide Width 22 mm Color Clear/White Standards FDA Package Quantity 180