These microscope slides are made from super white glass and have been given a permanent positive charge to electrostatically attract and bind tissue sections to the slide. Slides are 25 x 75mm, 1.0-1.1mm thick, have 45° corners, ground edges and are pre-cleaned. Available with a white or blue frosted area for labeling. Ideal for pathology, histology and cytology applications. 72 pieces per box.