Enhance your microscopic observations with the Erie Scientific VWR Micro Cover Glasses. These round, No. 1 cover glasses measure 22mm in diameter, making them perfect for a variety of laboratory applications. Crafted from high-quality glass, they provide excellent clarity and durability, ensuring that your specimens are well-protected while allowing for optimal light transmission. Ideal for use in biological and chemical research, these cover glasses are a must-have for any lab. Packaged conveniently for easy access, they are designed to meet the rigorous demands of scientific work.