These smooth injection-moulded, high impact plastic slide boxes are indexed, compact and durable, and provide good microscope slide protection for the histology laboratory. The heavy walls will not warp, splinter or crack. The material is unaffected by humidity and is thoroughly insect proof. Cover and bottom have numbered indices for quick identification, and units are stackable. The boxes are made of ABS. They are available in two sizes to hold 25 and 100 standard 76 x 26mm microscope slides.