Microscope Slide Block 90 Slot (1212X52) Product Dimensions (l x w x h) : 12x7x2.25in Microscope Slide Block holds 90 slides. Made of high-density polyethylene. New improved flat design holds ninety one 1" x 3" slides (75-25mm). Block is chemically resistant, easy to clean…

Product Dimensions (l x w x h) : 13.375x7.5x0.325in Molded of white PVC for easy distinguishing of different  dyes on the slates. For storing of twenty standard  slides 25 x 76 mm (1" x 3"). Designed for easy  removal of slides.