Corning® Large Glass Microscope Slides, 75 x 50mm
Finest quality noncorrosive glass, with finely ground edge. Precleaned and packed vertically. Packed 72 slides per box, 2 boxes per package.

No notable interference from UV absorption or reflection in the 250-350nm range (tested with 280nm).

75 x 50 x 1mm (2.95 x 1.96 x 0.040"), Plain, Large Thickness: 0.96 to 1.06mm (0.038 to 0.042")

26005 Corning® Glass Slides, 75 x 50mm, Large pkg/144