Enhance your microscopy experience with the Erie Scientific VWR Micro Cover Glasses. These rectangular cover glasses, measuring 24x40 mm and with a thickness of 1.5 mm, are ideal for a variety of laboratory applications. Made from high-quality glass, they provide excellent clarity and durability, ensuring optimal viewing of your specimens. The No. 11/2 designation indicates their specific thickness, making them suitable for a range of slides. Perfect for both educational and professional settings, these cover glasses are a must-have for any microscopy enthusiast.