Slide cover slips, pre-cleanedWe recommend these high quality 22 x 22 mm, pre-cleaned microscope slide coverslips for high school work and group or co-op situations. They are No. 1 thickness (0.13-0.17mm thick), which is suitable for up to 1000x microscope magnification. Approximately 150 glass coverslips per 1-ounce box.
This slide cover glass is made from borosilicate glass. It has strong chemical durability, uniformity, and a firepolished surface. The color is water white clear, which boasts excellent transmittance.