Medline d102222 microscope coverslips 22 x 22mm medline d102222 these medline coverslips are ideal for protecting microscopic samples and help keep the microscope lenses clean in case of accidental touching they are made from pre washed glass and are thickness no 1 0 13 to 0 16mm medline coverslips are supplied in packs of 200 in vacuum sealed packets medline microscope cover slip 22x22mm pack of 200