This lot of 37 Corning #2947 plain micro slides are perfect for your microscope needs. The slides are made of clear glass and measure 75mm x 25mm. They are blank, allowing you to use them for your own research or experiments. The slides are made in the United States and are of high quality, ensuring that they will last for a long time. These slides are suitable for a variety of uses, including medical research, lab experiments, and business applications. They are compatible with a range of microscopes and are easy to prepare, making them a great addition to your laboratory.