These slides are made from premium-grade glass and are designed to be durable and long-lasting. They have a smooth, flat surface that makes them easy to work with and allows for clear and accurate imaging. These glass microscope slides are also non-frosted for clear visibility and are available in a range of sizes and thicknesses, making them suitable for a wide range of applications. They are also resistant to chemicals and temperature changes, ensuring that they can be used in a variety of laboratory environments.