Slide rail design ensure a secure fit allowing easy placement and removal of slides.Centrally positioned location numbering grid enables simple slide organization with easy viewing of location numbers.Entirely made from ABS and Polypropylene makes the boxes robust and eliminates potential rusting of metal parts.Sliding lock provides secure storage with easily identified lock and unlock symbols. 2 mm zip tie can be used for more secure storage.Inventory card is removable and replaceable for trouble-free writing on flat surfaces. Inventory cards can be purchased separately in pks/10.Hinged lid smoothly opens 180° sitting flat on surfaces and prevents misplacement.EVA foam lines the bottom of the box helping to hold slides securely in place and protect against damage.Multiple labeling areas, a large area on the lid of the box with “project” and “date” molded in and the back of the index card can be used as the lid is transparent.Vibrant translucent colors are easy to identify and enable coding options, assorted 5/pk available.Stylish wave surface texture is easy to hold, increasing safety of sample transport.Stackable, molded feet allow secure horizontal stacking of multiple units for safe transport or storing.Flexible storing, the units can be stored vertically or horizontally helping to efficiently use space available.Unique side storage can accommodate a pen, desiccant or other small items needed for working.