Microscope special cover GlassIt is generally used in cooperation with a microscope slide.Good replacements and articles for school laboratory.Size: 22x22mm, thickness 013-017mmMaterial: GlassColor: TransparentQuantity: 100pcs / small boxPurpose: Making collection microscope observation of specimens1, Making the object under observation forming a thin film, easy to transmit light, easy to observe;2, Make the specimen is relatively fixed;3, Facilitate to use capillary phenomenon, to make add all kinds of reagents(Dye, acid, salt solution) forming a gradient;4, To avoid sample contamination.Package include:100 pcs 22*22mm Microscope Cover GlassNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.