Check the listing for details. AmScope 100 Pre-Cleaned Blank Microscope Slides + 100 22x22mm Square Cover Glass. Condition: New. Listed at 13.49 USD. Get ready for your next medical or laboratory experiment with these AmScope 100 pre-cleaned blank microscope slides and 100 22x22mm square cover glass. The slides are made of high-quality glass and are designed in a rectangular shape, measuring 1 inch by 3 inches or 25mm by 75mm in size. The slide design is a plate type, and the model number is BS-100P-100S-22. These slides are perfect for your laboratory needs, and they are compatible with various microscope parts and accessories. Make sure to have these slides ready for your next medical or laboratory experiment. Brand new in original packaging from purchase. Please refer to pictures!