GLW Slide Box with 50 compartments, made of polystyrene, use in freezer down to -80°C and usable up to +70°C. For standard slides with the sizes 76 mm x 26 mm x 1 mm but also suitable for slides and coverslips of different sizes with accessories (Item #: ZK20 and ZK25). Each Slide Box includes numbers (1 through 50) in the bottom of the box and has slide on lid. Our box also contains a removable numbered index card. The Slide boxes are stackable and use as minimum space as possible. The Slideboxes made from polystyrene are not autoclavable. The perfect solution to storage, transport and freeze your slides. Technical Details Item #: K50B Material: polystyrene Colour: blue Height: 31 mm Length: 172 mm Width: 83 mm Capacity: 50 slides