Description_x000D_ General description_x000D_ Sealed in a moisture absorbing desiccant pack which can function as a drying stand and a storage box. Slides are 1 mm thick._x000D_ Our microscope slides are made of high-quality white glass with low iron content, no green tint with fine texture and transparency; these slides are also corrosion-resistant. The edges are ground smooth to help eliminate sharp cutting surfaces and safe handling. They are packed in a special thermoform plastic box to minimize exposure to moisture and dust (each slide is precleaned)._x000D_ Conform to Federal specification NNN-S-450.