Millennia™ 2.0 have a higher density of binding sites, which significantly increases the adhesive forces between the slide and the anchored tissue section. Millennia™ 2.0 may be used for immunohistochemistry, and can tolerate harsh chemicals with no undesirable background staining, tissue artifact, or specimen loss. 10 gross per case. 75 mm x 25 mm X 1 mm.