Easily organize slides with the index on the front cover that corresponds with the number grid inside.Recessed slide compartments and inside covers protect specimens. Slides cannot be touched when the cover is closed, reducing contamination.Front protection flaps are attached with durable tape for repeated use.Fold flaps flat under the slide holder to save space when in use.Thumb cut in slide compartments enables easy removal of slides with slight pressure at one end.Compartment holder is made from a double layer of densely pressed cardboard. Cover is a single layer cardboard.