Millennia 2.0 Adhesion Slides, 75 x 25 mm Millennia™ 2.0 Slides have a higher density of binding site, which significantly increases the adhesive forces between the slide and the anchored tissue section; Millennia™ 2.0 Slides are ideal for immunohistochemistry, can tolerate harsh chemicals with no undesirable background staining, tissue artifact, or specimen loss.