AmScope PS100E 100 Piece Assorted Specimen Collection for Home School Students, Basic Biology Science Glass Prepared Microscope Slides (Set E) 100 Prepared Slides of Various Plants, Insects and Animal Tissues (SET E) Preserved in Cedar Wood Oil and Sealed by Coverslip Labeled and Stored in a Fine Crafted Varnished Wooden Case High Quality Optical Glass Slides Slide Dimensions: 3"x1"x0.04" (75mmx25mmx1mm)