Widely Used: Suitable for light microscopes and for making preparations for biological microscopy. Square Coverslips Cover Glass – co Microscope Slides And Cover Slips 72 Pre-Cleaned Blank Microscope Slides And 100 22x22mm Square – UK Ground Edge Slides 50 PCS PRE- Cleaned Glass Coverslips Prepared Microscope Slide £18.88... Microscope slide size 1 x 3, coverslip size 11/16x11/16. Science teachers, students, and hobbyists - this QWORK microscope slide set is exactly what you need for all your microscopy projects. You get 100 pre-cleaned glass slides and 200 cover slips in one convenient package, which is enough for multiple classes or extensive research work Durable Materials: Made from optical glass, the slides and cover slips provide excellent transparency and durability for clear, distortion-free observations under the microscope.