Cover Slides, available in a pack of 100 pieces, are essential accessories used in microscopy for placing over specimens on a microscope slide to flatten the sample and provide a clear view. These thin, flat pieces of glass are designed to protect both the microscope's lens and the specimen from contamination and damage. Ideal for laboratory use, educational purposes, or detailed examination in fields like biology, medicine, and material science, these cover slides are indispensable for anyone conducting microscopic analysis.