Cover Glass, 22 x 22mm, Thickness Case of 10
22 x 22mm glass cover slip for holding slide specimen in place and protecting it from accidental contact with microscope lens .5 thickness (, fits standard 25 x 75mm slides Keeps specimens compressed to a layer of even thickness when used with microscope slides (sold separately) Wrapped in aluminum foil with desiccant to seal out moisture Case contains 10, 1oz. boxes of cover slips (approximately 148 per box)