Discover precision and clarity with the Erie Scientific VWR Micro Cover Glasses. Designed for laboratory use, these round cover glasses measure 22mm and are classified as No. 1 thickness, ensuring optimal light transmission for your microscopic observations. Made from high-quality glass, they provide a smooth, flat surface that minimizes distortion and enhances image quality. Ideal for various applications, from biological samples to educational purposes, these cover glasses are a must-have for any lab. Elevate your microscopy experience with reliable and durable cover glasses that meet your scientific needs!