Discover the precision and clarity of Erie Scientific VWR Micro Cover Glasses. These rectangular cover glasses, measuring 22x30 mm and classified as No. 1 thickness, are perfect for a variety of microscopy applications. Crafted from high-quality glass, they provide excellent optical clarity and minimal distortion, ensuring your specimens are viewed in the best light. Ideal for laboratory use, these cover glasses are designed to fit standard microscope slides seamlessly. Whether you're in a research facility or a classroom, these cover glasses are an essential tool for any microscopy enthusiast.