Microscope special cover Glass It is generally used in cooperation with a microscope slide. Good replacements and articles for school laboratory. Size: 22x22mm, thickness 0.13-0.17mm Material: Glass Color: Transparent Quantity: 100pcs / small box Purpose: Making collection microscope observation of specimens 1, 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 Glass Note: Light shooting 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.